Alliant powder 450 bushmaster Lee Seater Dies are built to last a lifetime and are great at producing factory like ammunition. Text or call 814-341-548 seven Dan Updates 4 Thaddeus Clark posted an update — May 22, 2022 12:07 AM EDT h1000 powder small pistol primers in stock hodgdon cfe223 hodgdon h4350 209 primers in stock hodgdon retumbo 218 bee for sale rifle ammo 257 weatherby 243 win Winchester Varmint 450 bushmaster ammo 300 win mag ammo 50 bmg api 6. Feb 18, 2024 · Is 4895 a good powder for . Accurate 1680 also works well with. 22 Hornet and 218 Bee Remarks: Legendary for its performance in . Mfg: Alliant Powder Alliant Bullseys Pistol Powder Logan, Utah | New Reloading Supplies | Daxsbob08 |03/May Listing Type: Individual 3 Lbs of Alliant Bullseye Pistol Powder Facebook 53 total views, 1 today $100. We have 450 Bushmaster dies for sale, from great brands like Forster, Hornady, Lee, Lyman, RCBS, and Redding Reloading Products. From my rifle, 38. They feature great temperature stability, lot-to-lot consistency and a de-coppering agent. The best long-range clay target powder out there. Lee Seater Dies for pistol cartridges feature two crimp shoulders. Green Dot has been redesigned to be cleaner-burning and deliver precise burn rates for uniformly tight patterns and less felt recoil. It is ideally suited for the 357 Mag, 41 Mag, 44 Mag, 454 Casull, 460 S&W and the 500 S&W. Apr 25, 2011 · It's a spherical powder designed for improved velocity along with better density for more efficient metering. Secondary Uses: Magnum handgun loads Remarks: Powder of choice for magnum hunting loads. I don't do subsonic so I can't relate Lil Gun's performance in that capacity. 5 shot 4 found all no Load data for 8 loads in caliber . Alliant Smokeless Powders – a trusted choice Favored by hunters and match shooters for generations, Alliant smokeless powder has a well-earned reputation for consistency, power, and accurate measuring. It’s SUPER quiet suppressed. 450. It's designed specifically for long-range . I’ve shot 6. 30-30 Win. It has a bit of a torn reputation between its fans and detractors, thanks to its odd design choices. Comprehensive reloading data for . 452 | 300gr | Hornady XTP bullet including underlying parameters such as bullet length, cartridge length and case capacity. Aug 2, 2022 · Can someone model a hypothetical load for me please? As stated: 450 bushmaster, Hornady 395 gn sub-x bullet (. Never mix any two powders regardless of type, brand, or source. 450 Bushmaster is a straight-case cartridge and normally used for hunting medium to large game. It’s popular for many We would like to show you a description here but the site won’t allow us. Apr 1, 2023 · Although the burn rate for Alliant Steel is available from a couple sources, that's not enough information to approximate a load for the Bushmaster, or anything else. Explore our full lineup of Savage 450 Bushmaster rifles, designed for accuracy, reliability, and performance. Browse our smokeless reloading powders available in a 4 lbs quantity. 40 S&W, 10mm and . It’s relatively new compared to many staple cartridges on the market. The Bushmaster is based on a sawed-off . Made in Finland, Vihtavuori gun powders are renowned for quality. 00 Apr 1, 2016 · I am seriously considering buying a few rifles in 450 Bushmaster for my boys to use on public land hunts. Hunt and shoot with precision and confidence. I'm pretty sure this means it's made at the St. Each set features a steel Sizing die. 22 Hornet, 7. 450 Bushmaster with . 5 creedmoor ammo 243 ammo 300 blackout ammo 300 wsm ammo 7. ANOKA, Minnesota - December 3, 2018 - Federal is proud to announce new loads for hunting chambered in the popular 450 Bushmaster straight-wall cartridge. 458 SOCOM. 284 Winchester case. I've got a 450 Bushmaster upper coming next week, along with 200 factory rounds, but I want to load my own after the factory rounds go bang for obvious reasons, they are pricey! Hornady says the dies will be out in a couple of weeks, but the load data may be a few months later?!? The 450 Bushmaster rifle with reduced recoil, durable construction, and exceptional accuracy is the ultimate hunting companion – must-have for a serious hunter. 44 Mag and other magnum pistol loads. Normally, there is a dedicated favorite powder for a cartridge. 450 Marlin. 450 Bushmaster. 8mm Rem. 45-70 Government . 200, Alliant Unique powder at 10-->11 grains. 06 Hornady Brass Unprimed 450 Bushmaster (50) In Stock Add to cart SKU: HOR86935 Categories: Reloading, Reloading Brass, Rifle Brass Tags: Hornady, July Brass Sale, Weekly Deals Hornady 450 Bushmaster Brass 50 Count SKU: HOR86935 $ 48. Finding the right load data is crucial for safe and effective shooting. Magnum 444 Marlin 45/70 Government (Lever Actions) 45/70 Government (Trap Door Actions) 450 Marlin 458 Lott 458 Win. (Strong Action) 338 Federal 35 Whelen 35 Rem. 8 mm Rem SPC 270 WSM 7mm Rem SAUM 7mm WSM 300 WSM 300 Rem Ultra Mag 325 WSM 338 Federal 444 Marlin 45-70 450 Marlin 470 Nitro Alliant Reloader 15 Medium Speed Rifle Powder One Pound - ALRL151 Out of stock Showing all 8 results Feb 18, 2024 · What type of powder is commonly used in 450 Bushmaster handloads? Hodgdon Lil’Gun and Alliant 2400 are popular powder choices for handloading 450 Bushmaster cartridges. Hornady 450 Bushmaster Brass 50 Count SKU: HOR86935 $ 48. Fireball 221 Rem. Select a caliber to view our newest recipes: 224 Valkyrie 6. Powders include Accurate, Hodgdon, Ramshot, Winchester, IMR, Vihtavuori Power Pistol is an economical powder designed for fast burn, and delivers the maximum velocity needed for high performance semi-auto pistol rounds such as 9mm, . Be sure to visit the most popular feature of the Alliant Powder site. 4100 is an excellent choice for high performance, full power loads in magnum handgun cartridges. 450 Bushmaster (Using Hornady Bullets) Warning! Notes: barrel: 16" 1 in 24" twist; primer: WSR; bullet diameter: 0. Made in Belgium. basic reloading data. 450 Bushmaster . 223 Remington, featuring manufacturer loading guidelines and essential resources for shooters and reloaders. Manufactured in the USA Improved velocity and density for more efficient metering and loading Maximum velocity and performance in magnum handguns We would like to show you a description here but the site won’t allow us. In the hunting arena, the cartridge delivers substantial stopping power at medium ranges, making it highly effective for large game. I like that it isn’t a long-range This is the dedicated cast bullet forum!Please note that if you are using a high risk VPN to register, your profile may be placed in a banned status. 450 Bushmaster BOAR™ is a powerful hunting rifle designed for big game hunting throughout North America. You will be required to register before you can post: click the register link above to proceed. 452 the powder I will be using is imr 4227 any help would be great thanks. Premium performance at the lowest prices of the year. Principal Purpose: Magnum handgun loads Secondary Uses: . Find published manufacturer loading data for . 450 Bushmaster is a centerfire rifle cartridge developed by Tim LeGendre of LeMag Firearms, LLC in 2007. Bushmaster Firearms International based in Carson City, Nevada, United States, is an American manufacturer and distributor of firearms. I have dies, brass, bullets but no gun yet. 450 Bushmaster either below or in our load database by clicking the 'Matching Loads' button above More about this caliber: The . 50 caliber shooters and promises better velocity while burning cleaner Oct 8, 2018 · Winchester and Remington also make ammo for the . Use the guide The . Anyone tried this in their bushmaster loads? Feb 18, 2024 · Is 4895 a good powder for . 444 Marlin . Dec 22, 2023 · Re: vihtavuori N110 powder by TedH » Fri Dec 22, 2023 6:48 pm N110 is the best powder for the 357 magnum, but I still prefer H110/296 for full power 44 mag loads. Aug 2, 2022 · Lil Gun is the perfect powder for the 450b across many bullet weights in supersonic pursuit. 450 Bushmaster was an attempt to improve the ballistic performance of AR-15 rifles, and reloading the . Powders for reloading steel shot seem to sit by themselves. Whether you're pursuing big game animals or paper targets. 450 Bushmaster including bullet weight, powder, primer, case, trim length, and pressure. Small caliber varmint loads Great for . Cartridge (gr. I have a HUGE number of assorted . 450 Bushmaster? Yes, 4895 is a good powder for . Lee Precision has been manufacturing high quality, affordable reloading equipment since 1958. 45-70 and . 308 and large rifle. 221 Rem. So far i haven't gotten much under 2" at 100 yards but it's in early load development. Dec 7, 2010 · Hello, I am new to the forum and read your post about using the Alliant mp300 powder. 06 Hornady Brass Unprimed 450 Bushmaster (50) In Stock Add to cart SKU: HOR86935 Categories: Reloading, Reloading Brass, Rifle Brass Tags: Hornady, July Brass Sale, Weekly Deals Jan 19, 2013 · I was wanting to know if anyone had load data for 300 grain cast bullet gas checked sized to . (MAP) (MPLM) (MPSM) 45-70 Government 250 2,025 280 287 298 300 1,830 1,880 325 2,030 375 1,490 405 1,150 1,320 450 Bushmaster 250 2,250 CUP Pressures Not Established 260 2,150 450 Marlin 325 2,175 Ammo Storage - Belts, Buttstock & Pouch HoldersBags & Gear Nov 15, 2019 · Reloading the . 45 caliber cartridge that would work through the short AR-15 action. 95 $ 44. Servicing Los Angeles, Riverside, Orange County, High Desert, San Diego. To start viewing messages, select the forum that you want to visit from the selection below. If it works so well in the 45-70 it sould have the same good characteristics for the 450 bushmaster. 450 Bushmaster is one of the most unlikely cartridges to achieve success in recent years, but I like to think that it has the potential to become a favorite. Feb 27, 2020 · Vihtavouri Powder Reloading Data Vihtavouri propellants might be the best gunpowders you never heard of. 452 diameter. Speer AmmoHere you will find load data for some of the most recent cartridges on the market, with more being added each week. Hornady load data in . Great, quiet, accurate, low recoiling, fun load. 450 Bushmaster center around both hunting and tactical use. 450 Oct 1, 2015 · The bushmaster mags will only feed 450 Bushmaster as they have steel guides welded into the sides for keeping the 450 in a straight line when coming up to the top of the mag. All rights reserved. Fusion and Non-Typical will soon follow. If this is your first visit, be sure to check out the FAQ. Alliant Reloder 26 powder is a popular choice for magnum cartridges, while Alliant Herco powder is ideal for both Please note that if you are using a high risk VPN to register, your profile may be placed in a banned status. 50 BMG Nov 17, 2025 · Explore the best straight-wall cartridges for hunting and shooting, with a state-by-state breakdown of legality, ballistics, and top picks for compliance and performance. Anyone tried this in their bushmaster loads? Apr 25, 2011 · It's a spherical powder designed for improved velocity along with better density for more efficient metering. 30-06 Spring. Great in . case length: 1. The Swapin & Sellin section is only Sitemap Feedback Media Terms Privacy Supply Chain Disclosure Do Not Sell or Share My Info © 2025 Alliant Powder. I found a recipe on line you can with this powder. Powders aren't that scarce these days. The factory load is 16. 700"; case trim length: 1. 450 Bushmaster requires some special attention. Canister Sizes: View All Blue Dot ® Recipes View the SDS Clay Dot is designed for light and standard 12 gauge target and competition shooters. 12" length) COAL 2. Alliant produces powder for rifles, pistols, shotguns, and muzzleloaders. They performed Alliant Powder Reloader's Guide We update our guide on a regular basis - find the latest recipes in your favorite calibers here. 451 | 300gr | Sierra JSP FN bullet and 9 powders such as Lovex S053. 8 mm Rem SPC 270 WSM 7mm Rem SAUM 7mm WSM 300 WSM 300 Rem Ultra Mag 325 WSM 338 Federal 444 Marlin 45-70 450 Marlin 470 Nitro Alliant Reloader 15 Medium Speed Rifle Powder One Pound - ALRL151 Out of stock Showing all 8 results All the reloading supplies you need in stock and special order. Apr 13, 2020 · The . The Alliant Powder family of products is the broadest and most trusted name in the reloading business. The . Alliant's AR-Comp is the ideal powder for fast action, high volume AR shooters as well as those who enjoy shooting traditional rifles. Feb 17, 2024 · A . Clay Dot meters exactly the same through press powder bushings and uses the same powder charge weights for equal velocity and pressure you won't need to change bushings or load data. 62 X 39mm Reloder ® 7 Rifle Powders Smokeless small rifle powder Designed for small caliber varmint loads, it meters consistently and meets the needs of the most demanding bench rest shooter. 452 dia, 1. I ordered a 45 Raptor Varmint contour bbl from X-caliber for my Savage model 12 Target Action (large Shank) Looking at load information on the 45 Raptor I see most use the 460 S&W data. Canister Sizes: View All 2400 ® Recipes View the SDS The . Feb 18, 2024 · What are the steps for reloading 450 Bushmaster ammunition? The steps for reloading 450 Bushmaster ammunition involve resizing the brass, priming, powder charging, seating the bullet, and crimping to ensure proper function and safety. Stealthshooter wrote: I was just wondering if anyone has tried Alliant 300-MP yet for the 450? We continue to prioritize our shipments to our traditional sales channels to maximize powder availability at retailers. Not a good sign. Just looking to see what the numbers are at around 1050 fps from a 16" barrel. 450 Bushmaster (Using Hornady Bullets) reloading data with 87 loads. 450 Bushmaster? Consulting reputable reloading manuals and data from powder manufacturers is the best way to determine the appropriate powder charge for . Mfg: Alliant Powder TI EST RECOMMENDED. I've made taper/swage dies to take 350-450g 45-70 cast bullets down to . 690" Be Alert: Publisher cannot be responsible for errors in published load data. Find reloading guidelines and data for your Barnes Bullets products. 225" gave me groups right at 1moa. 8 Apr 1, 2023 · If you like Alliant powders I would suggest you look at the reloading data for RL-7 in the 450 Bushmaster case. The key underlying parameters are shown in the table above. We are currently populating the cartridge drop-down menu with updated cartridge renderings, new propellants and bullets, and links to complimentary product pages. Feb 17, 2024 · What is the best powder for achieving maximum velocity in 450 Bushmaster? To achieve maximum velocity in 450 Bushmaster, powders like Hodgdon Lil’Gun and IMR 4227 are popular choices. Reloder 50 also isn't truly new but is only now becoming readily available. May 3, 2025 · Daxsbob08 May 7, 2024 Custom Built Ar in 450 Bushmaster Hornady Eld Match 22cal 75 grain bullet Reloading Gear Deals Black Friday is the ideal time to restock your bench with high-value savings on reloading components. These sets for straight wall pistol cases build off of that legacy. 32-20 Win. 450 Marlin Meters consistently Alliant 300-MP powder? Talk about your 450b reloading experience, ask questions, etc Principal Purpose: Magnum shotshell loads, 10, 12, 16, 20 and 28 ga. There are more and more . Powders include Accurate, Hodgdon, Ramshot, Winchester, IMR, Vihtavuori. Jun 4, 2024 · No fillers needed with Alliant Unique or Hodgdon Trail Boss. Magnum 6. 250"; max. Chemical composition, grain shape and size, and overall density are constantly checked and tested in a ballistics lab to ensure consistency. But when comparing apples to apples, the . Alliant info on the powder indicates it's a spherical powder and made in the USA. Using bullets from Hornady XTP/MAG, Hornady FTX. The result of this collaboration is the . Mfg: Alliant Powder We would like to show you a description here but the site won’t allow us. 450 Bushmaster was designed by the Hornady Manufacturing Company for Bushmaster Firearms International when the latter wanted a . Everything is expensive when you get up into this league of AR. No Load data for 18 loads in caliber . Use in the field, or on the target range with handicap trap loads, as well as 20 and 28 gauge target loads. Load data for 18 loads in caliber . 450 Bushmaster cartridges, optimized for consistent performance and accuracy. 451" 245 and 250 grain all copper Barnes muzzleloder specific bullets and was wondering if these will work to reload in a 450 Bushmaster. Marks FL ball powder plant, run by General Dynamics. May 5, 2025 · Not sure if this helps, but I run a LEE 457-405 powder coated bullet in my 450 Bushmaster at subsonic velocities using 21 grains of 4227 and 23 grains of Reloader7. The most exacting quality control procedures in the industry. I also run 10. To start viewing messages, select the forum that you want to visit from the selection below Alliant Powder expressly disclaims any and all warranties with respect to any and all products sold or distributed by it, the safety or suitability thereof, or the results obtained including, without limitation, any implied warranty of merchantability or fitness for a particular purpose and/or any other warranty. This guide focuses specifically on load data for the 450 Bushmaster using H110 powder, a popular choice for its performance in large-bore handgun and rifle Feb 18, 2024 · What type of powder is commonly used in 450 Bushmaster handloads? Hodgdon Lil’Gun and Alliant 2400 are popular powder choices for handloading 450 Bushmaster cartridges. The Expander die expands the case to the proper diameter to accept the bullet and also imparts case mouth flare/bell for easy bullet feeding. The company's product line revolves around semi-automatic pistol and rifle variants of the M4 / AR-15 design. SPC 6mm PPC 7. 338 Winchester Magnum 360 Buckhammer . 62x39 ammo 300 blackout subsonic ammo Q Can Accurate 5744 Smokeless Gun Powder be used to load 450 bushmaster with bullets 250gr xtp hollow points . Accurate 1680 Smokeless Rifle Powder is a fast-burning, double-base, spherical powder designed for high-capacity handgun cartridges such as the 454 Casull, 460 Smith & Wesson®, and 500 Smith & Wesson. I have not yet found that for the 450 BM. The first shoulder applies a slight taper crimp and […] Aug 4, 2020 · Accurate 5744 Powder has earned its stripes taming big-bore beasts and making them viable options for lighter North American game. […] Mar 29, 2018 · Alliant 300-MP powder? Talk about your 450b reloading experience, ask questions, etc 350 Legend 250gr Sub‑X [PDF] 450 Bushmaster 395gr Sub‑X [PDF] 45‑70 Government (Trap Door) 410gr Sub‑X [PDF] 45‑70 Government (Ruger #1) 410gr Sub‑X [PDF] Basic Pistol Data [PDF] Basic Rifle Data [PDF] Load Data Sources Obsolete reloading data Obsolete reloading data that has been retired from our Handbook of Cartridge Reloading is . 450 Bushmaster and . 452-. 452"; maximum COL: 2. 62 X 39mm Buy 450 Bushmaster reloading brass online at Midsouth Shooters. 450 Bushmaster due to its consistent performance and ability to produce high velocities with heavy bullets in this caliber. . Shipments of Power-Shok ammunition are being delivered to dealers now. Can I use shotgun powder for reloading 450 Bushmaster? . 450 Bushmaster is a cartridge primarily designed for deer hunters and AR platform users. 300 Savage 308 Win. Jun 27, 2025 · Accurate 4100 is a double-base, slow burning spherical powder with exceptional metering characteristics. Mar 5, 2021 · Can someone run a Quikload solution for 300gr cast bullet in 450 Bushmaster using Universal, WSF or Accurate #9? I’m looking for ~1600fps from a 20 Midsouth Shooters offers a great selection of smokeless powders for your reloading needs. Never substitute any smokeless powder for Black Powder or its substitute. xlsx Load data for 18 loads in caliber . Based on this, I assumed that 300-MP probably has the same problems as 296 and similar ball powders with loads that don't fill the case. Jul 16, 2023 · In the forth installment of his . It's designed for specific applications: varmint, magnum rifle, heavy . RCBS pioneered and developed 3-Die Sets for straight-wall rifles and pistol cases. Widener's Reloading and Shooting Supply has ammo and reloading supplies for sale at cheap prices. I am very interested in this powder and want to order some. It’s not position sensitive but does like a standard primer best. 450 Bushmaster generally uses lighter bullets that reach out a little farther while the . However, Trail Boss offers superb versatility in rifle cartridges producing reduced loads using lead or jacketed bullets. 454 and they chamber fine. Fireball 222 Rem. ) Test Bbl. 450 Bushmaster You find load data for 5 Hornady bullets in caliber . 450 Marlin . 8 grains in my 450 bushmaster with 405 gn cast bullets. Find 450 Bushmaster Reloading Dies, and 450 Bushmaster Die Sets for sale here: Get the right 450 Bushmaster Die or 450 Bushmaster Die Set for your press here at Midsouth. The Lee Seater die is no exception. Unlike what a lot of people said, higher charge weights didn't really do it in my rifle (20" bushmaster ar15 upper chambered in 450bm). We deliver the energy solutions and exceptional service our customers and communities count on – safely, cost-effectively, efficiently and responsibly. 451 | 230gr | Nosler FMJ bullet and 9 powders such as Vihtavuori N110. 5 shot 4 found all no Mar 8, 2022 · I just picked up a #1 450 bushmaster and the barrel is 1-10 twist. To start viewing messages, select the forum that you want to visit from the selection below Apr 6, 2022 · It also has uses in the big-bore AR-15 cartridges like the . While not many people are going to use this powder, in its role it is very popular. Grab deals on brass, primers, powder, and Nosler bullets, plus a wide selection of dies and press accessories. Explore a wide range of firearms and accessories online, including rifles, shotguns, pistols, and more at reasonable prices. 45-70 shines in close-range, big-bullet scenarios. Feb 17, 2024 · What is the best powder for hunting with a 450 Bushmaster? For hunting, many shooters prefer powders that provide good velocity and accuracy, such as Accurate 5744 or H110. 450 Bushmaster series, Gun Writer Josh Wayner talks new . When it comes to reloading AR-style rifles as well as other rifles, there's a new powder choice on the market AR-Comp from Alliant Powder. We would like to show you a description here but the site won’t allow us. 450 loads coming out every week, so keep an eye out for new stuff. 450 loads, accuracy, and tuning a rifle for accuracy using this excellent cartridge. 8 grains using the Hornady 250gr ftx, once fired Hornady brass, and Fiocchi small rifle magnum primers and a COAL of 2. 5 of Unique in a 30-06 with 168 smk which is probably less than 20% case fill with good success. Dec 24, 2017 · i haven’t seen alot or data for 450bm subsonic loading so if u got some experience with this or simular please feel free to chime inwhy 450bm subsonic? because 300blkout subsonic will kill deer with 194gr lehigh max expanders, but not leave much blood trail. 450 offers a slight velocity advantage, which is why this round goes to the Young Gun. What are the potential dangers of improper powder charge in . 22 Hornet 22-250 Rem. I have cci 450 primers will this be safe? Asked by Roy 450 bushmaster reloading 4 years ago Add your answer. This is the dedicated cast bullet forum!Please note that if you are using a high risk VPN to register, your profile may be placed in a banned status. Applications for the . 450 Bushmaster The . Feb 18, 2024 · How can I find the appropriate powder charge for . The rifle is also designed for comfort and control with a Magpul® UBR® GEN2 Collapsible Stock and a Magpul® MOE® Grip. In these days of component shortages I am finding my favorite powder (lil gun) to be hard to find, with that being said I have a bunch of Alliant 300-mp. 62 x 39, and other low capacity rifle rounds. 357 SIG. 5 Creedmoor 45 GAP 480 Ruger 500 S&W 223 WSSM 243 WSSM 257 Weatherby Mag 6. Aug 31, 2021 · 450 Bushmaster is a fantastic hunting round that is legal even in midwestern states! Learn about 450 Bushmaster ballistics, history, and much more! Power Pro™ 300-MP (Magnum Pistol) Handgun Powders Smokeless spherical magnum pistol powder Utilize our premium performance, consistent quality new powder offerings the next time you pull the trigger. Although, I have a dandy AR spotted in the Mar 5, 2021 · Can someone run a Quikload solution for 300gr cast bullet in 450 Bushmaster using Universal, WSF or Accurate #9? I’m looking for ~1600fps from a 20 Dec 27, 2024 · The 450 Bushmaster cartridge, known for its potent stopping power and relatively manageable recoil, has gained significant popularity among hunters and enthusiasts. Shotguns Windber, For sale Ithaca 12 gauge nitro special 650 or trade for a 16 gauge double barrel. Handloading, Reloading, and Bullet Casting Jan 19, 2023 · I've handloaded for over 30 different rifle cartridges and over 20 different handgun cartridges. Feb 18, 2024 · What powder does Hornady use in . 450 Bushmaster? Hornady uses a specially formulated powder for their . 350 Rem. It has reduced felt recoil and is equipped with durable components such as a 7075 Forged XM15-E2S™ Lower Receiver and a Snake Charmer™ Muzzle Brake. We carry Bushmaster brass from brands like Hornady, Starline, and Once Fired Brass. As noted in the powder description section, Trail Boss was designed primarily for reduced loads using lead bullets in pistol cartridges. 450 Bushmaster load with 40-45 grains of powder can typically achieve velocities of around 2,200-2,400 feet per second, depending on bullet weight and design. 223 Rem. Find out why we're the best deal on the web today! We would like to show you a description here but the site won’t allow us. 450 Bushmaster? Apr 9, 2021 · 450 Bushmaster max Pressure and Bolt Thrust. Need help with 450 Bushmaster loads. 50 caliber shooters and promises better velocity while burning cleaner Alliant Pro Reach Data Overview Every container of Alliant Smokeless Powder backed by a century of manufacturing experience.