300 Blackout Magazines
300 Blackout Magazines
Shop 300 Blackout magazines for compatible AR-15 rifles and pistols chambered in 300 BLK / .300 AAC Blackout. Browse available magazine capacities, materials, and manufacturers, including magazines designed or optimized specifically for 300 Blackout ammunition. Compare capacity, construction, cartridge compatibility, and manufacturer specifications when selecting a 300 BLK AR-15 magazine for your firearm.
What is the difference between 5.56 and 300 Blackout magazines?
5.56 NATO and 300 Blackout can use the same basic AR-15 magazine pattern, but dedicated 300 Blackout magazines may incorporate internal geometry optimized for the larger-diameter .300 BLK projectile. This can be particularly relevant with certain bullet profiles and heavier ammunition. Many standard 5.56 AR-15 magazines are marketed as compatible with 300 Blackout, while caliber-specific 300 BLK magazines are designed with the cartridge in mind. Always follow the magazine manufacturer's listed caliber compatibility.
LANCER L5AWM 300BLK 10RD TRANS SMK
Lancer Systems, L5AWM, .300 Blackout, 10 Rounds, Fits AR Rifles, Steel/Polymer Hybrid, Translucent F..
LANCER L5AWM 300BLK 20RD TRANS SMOKE
Lancer Systems, Magazine, L5 Advanced Warfighter, 300 Blackout, 20 Rounds, Fits AR Rifles, Polymer,..
LANCER L5AWM 300BLK 30RD TRANS SMOKE
Lancer Systems, Magazine, L5 Advanced Warfighter, 300 Blackout, 30 Rounds, Fits AR Rifles, Polymer, ..
MAG AMEND2 AR15 300BLK 30RD M3 BLK
Amend2, Magazine, Mod 3, 300 Blackout, 30 Rounds, Fits AR-15 Rifles, Polymer, Black..
MAG RUGER AMER 223/300BLK 5RD BLK
Ruger, Magazine, 5 Rounds, 223 Remington/300BLK, Fits Ruger American Short Action, Polymer, Black..
MAG RUGER MINI-14 300BLK 20RD BLK
Ruger, Magazine, 300 Blackout, 20 Rounds, Fits Mini-14, Steel, Black..
MAGPUL PMAG 20 AR 300 B GEN M3 BLK
Magpul Industries, Magazine, PMAG GEN M3, 300 Blackout, 20 Rounds, Fits AR Rifles, Black..
MAGPUL PMAG M3 300BLK 30RD BLK
Magpul Industries, Magazine, PMAG 30 AR/M4 GEN M3, 300 Blackout, 30 Rounds, For AR Rifles, Black..
MAGPUL PMAG M3 300BLK 30RD ODG
Magpul Industries, Magazine, PMAG 30 AR/M4 GEN M3, 300 Blackout, 30 Rounds, For AR Rifles, Olive Dra..
LANCER L5AWM 300BLK 10RD OPAQUE BLK
Lancer Systems, L5AWM, .300 Blackout, 10 Rounds, Fits AR Rifles, Steel/Polymer Hybrid, Matte Finish,..
LANCER L5AWM 300BLK 20RD OPAQUE BLK
Lancer Systems, Magazine, L5 Advanced Warfighter, 300 Blackout, 20 Rounds, Fits AR Rifles, Polymer, ..
LANCER L5AWM GEN2 300BLK 10RD BLACK
Lancer Systems, Magazine, L5AWM GEN 2, 300 Blackout, 10 Rounds, Fits AR Rifle, Steel/Polymer Hybrid,..
LANCER L5AWM GEN2 300BLK 10RD SMOKE
Lancer Systems, Magazine, L5AWM GEN 2, 300 Blackout, 10 Rounds, Fits AR Rifle, Steel/Polymer Hybrid,..
LANCER L5AWM GEN2 300BLK 20RD BLACK
Lancer Systems, Magazine, L5AWM GEN 2, 300 Blackout, 20 Rounds, Fits AR Rifle, Steel/Polymer Hybrid,..
LANCER L5AWM GEN2 300BLK 20RD SMOKE
Lancer Systems, Magazine, L5AWM GEN 2, 300 Blackout, 20 Rounds, Fits AR Rifle, Steel/Polymer Hybrid,..
LANCER L5AWM GEN2 300BLK 30RD BLACK
Lancer Systems, Magazine, L5AWM GEN 2, 300 Blackout, 30 Rounds, Fits AR Rifle, Steel/Polymer Hybrid,..
LANCER L5AWM GEN2 300BLK 30RD SMOKE
Lancer Systems, Magazine, L5AWM GEN 2, 300 Blackout, 30 Rounds, Fits AR Rifle, Steel/Polymer Hybrid,..
MAGPUL PMAG M3 300BLK 30RD MCT
Magpul Industries, Magazine, PMAG 30 AR/M4 GEN M3, 300 Blackout, 30 Rounds, For AR Rifles, Coyote Ta..