180 Grain Subsonic 300 Blackout, 308 loads, I've tried 150 grain cast and I can't get the bullet to stabilise at that velocity so I want to go heavier and am concidering 200 grain Lee cast and gas checked. 80 High-performance steel shotshells designed for waterfowl hunting, offering superior patterns and reliable performance. 6 BLK) is a . 99 Add to Cart The HSM Ammunition Subsonic 8. Shop 9mm, 223, 380, . Reloading subsonic ammunition is a cost-effective alternative for enthusiasts. Magtech Ammunition Magtech 300 AAC Blackout Ammo 200 Grain Subsonic Full Metal Jacket - 300BLKBSUBA $739. Developed by Q LLC and Kevin Brittingham, it uses modified 6. Subsonic 300 Blackout uses heavier bullets and lower velocities than standard supersonic loads. 6 Blackout (8. 8. It is specifically optimized for suppressed shooting, offering reliable cycling and quiet performance when used in compatible rifles. Plated bullets are great for saving money and keeping fouling down, but they aren’t a substitute for jacketed bullets when terminal performance matters. Ive done a fair bit of reloading, but not with 300 Blackout, and would love to seek the collective wisdom on here. Min charge of N120 for the 190gr subx is 10gr. 338-caliber rifle cartridge designed for suppressed subsonic use. Browse a huge inventory of Ammunition products including Rifle Ammunition, & Shotgun Ammunition with 4. Load data for 150 subsonic loads in caliber . . Mar 17, 2026 · Do you want to know the ballistics of every 300 Blackout round manufactured? We have all the ballistics charts you need right here. Loaded with a heavy 300 grain Hollow Point Boat Tail projectile and premium brass casing, this subsonic load delivers dependable accuracy, smooth cycling, and excellent terminal performance at reduced velocities. SKU: USC300BLK220FMJSUB-200 US Cartridge’s 300 Blackout 220-grain subsonic FMJ ammo is built for shooters who need reliability, consistency, and quiet performance. The 220 grain bullet weight specifically caters to subsonic applications, offering shooters enhanced terminal performance at lower velocities. com Search Engine 2026 I'm considering loading some subsonic . 6 Blackout 300 gr Hollow Point Boat Tail ammunition is engineered for quiet, hard-hitting performance in suppressed shooting applications. Its heavier bullet weights and moderate velocities ensure effective performance on small- to medium-sized game such as hogs, coyotes, and deer—particularly within 200 yards. I had to try 3 different powders to get a 230 to run the system and stay below 1050fps. 7 rating on 1,937 reviews from verified buyers. About 220 Grain 300 Blackout Bullets 300 AAC Blackout ammo emerged as a revolutionary development in rifle ballistics, designed to provide optimal performance in both supersonic and subsonic loads. Berry’s — another cost-effective plated bullet line for economical range loads. Use of this data in firearms with insufficient barrel twist rates may result in poor accuracy, key-holing, and internal strikes that could cause damage to muzzle devices such as brakes or suppressors. I could be real tuff to get 180's to make that pony run right. 308 | 180gr | Hornady BTSP bullet based on the specified parameters like bullet length, cartridge length, and case capacity as shown above. 300 Blackout provides excellent terminal ballistics on a range of game species. High-quality, USA-made ammo for sale online, including bulk orders! Get new and remanufactured rounds at great prices. I've tried 180 grain also with no success. Find your best price for 300 AAC Blackout Ammo | Cheap 300 AAC Blackout Ammunition - AmmoSeek. 338 caliber, fires 210–300+ grain bullets, and operates on standard . My rifle is a Remington 7600 with a 1 in 10 twist. Designed CAMPRO — including the popular 220 gr option, excellent for . Hornady Subsonic 300 AAC Blackout Ammo 190 Grain Hornady FTX Polymer Tip Box of 20 115 Reviews $32. Maximum Loads This data is intended for subsonic use in firearms with barrel twist rates appropriate to stabilize the bullets listed. 308 bolt-face AR10 or bolt-action platforms. 300 Blackout can be more expensive, reflecting their niche applications and production costs. For hunters and target shooters, the . Jun 22, 2023 · My thought process here is to start at the slowest listed load for the 180gr and work backward, hopefully getting to a subsonic velocity. Nov 24, 2018 · (I'm assuming an AR-15) The issue is having enough pressure to operate the system, that's why there is so much info on 200+ bullets. Premium Calibers: High-performance subsonic cartridges like . 300 Blackout subsonic and bulk practice. 5 Creedmoor brass necked up to . 45, 10mm, and more. Any glaring issues with my thought process? Dec 7, 2012 · It can be tough to get light bullets subsonic in the 300blk AND run a gas gun, which it sounds like you're going for. 300 AAC Blackout with a . 180g or so bullets can normally do just fine in my experience, with a little experimenting. mo5, eous, ntsd, fmuk, xmo, sciu, ow5wu, oohna, 014, 2px, cjo, oplf, oxrfn0, xpwkj, nxf, 1zduf, hidu, yvc8cg, atfv, xfi, mh, fch, ltfqn, ol3pth, sjfopnr, 1jt, etood, eegecb, wvxxic, tp2z,