.300 AAC Blackout
.300 Blackout
Subsonic and supersonic AR-15 caliber, designed for suppressed use
Uses same bolt as 5.56, requires different barrel and magazines
Barrels
Rifled tubes that guide the projectile
Dark Storm Industries AR-15 .300 Blackout SOCOM Threaded Barrel 12.5" 1:8 Nitride Black
Dark Storm Industries
$149.95
Palmetto State Armory 8.5" .300 BLK 1:7 Nitride Pistol Barrel w/ 7" M-LOK
Palmetto State Armory
$569.99
BSF Barrels SF3IYT0095 AR-15 300 Blackout 14.5in Carbon Fiber Barrel 1:7 Twist
Bsf Barrels
$692.55
Diamondback Firearms DB300P8.5H50B8R 300 Blackout 8.5" Barrel Nitride
Diamondback Firearms
$93.99
Diamondback Firearms DB300P16H50B8R 300 Blackout 16" Pistol Barrel Nitride 1:8
Diamondback Firearms
$103.50
Diamondback Firearms AR-15 .300 BLK 10 in Piston Length Gas System
Diamondback Firearms
$80.99
Ballistic Advantage 7in .300 Blackout AR-15 Pistol Barrel 1:7 Twist Modern Series
Ballistic Advantage
$155.00
Ballistic Advantage Modern Series 300 Blackout 8in 1:7 Twist AR-15 Barrel
Ballistic Advantage
$77.50
Primary Weapons UXR 300 AAC Blackout Conversion Kit (AR-15) 10.5 in or 14.5 in
Primary Weapons
$499.95
Daniel Defense 16" S2W Carbine Barrel AR-15 .300 Blackout 1:8 Nitride
Daniel Defense
$323.49
Bolt Carrier Groups
The heart of the AR action
Lantac Enhanced BCG 300 AAC Blackout 7.62 NATO-Style Bolt Carrier Group
Lantac
$296.63
J P Enterprises DLC 300 Blackout AR-15 Bolt Completion Group
JP Enterprises
$142.99
BCM M16 Bolt Carrier Group, Black (BCM-BCG-AUTO)
Bravo Company Manufacturing (BCM)
$199.00
Q Two-Piece BCG Honey Badger AR-15 300 Blackout Bolt Carrier Group
Q
$350.00
IWI Tavor X95 300 AAC Blackout 16" LH Conversion Bolt (XK300L)
Iwi Us
$424.00
SIG SAUER Bolt Assembly 5.56/300BLK Black
Sig Sauer
$159.99
SIG Sauer Tapered Lug Bolt Assy Kit .300 Rattler (O-Ring) for MCX
Sig Sauer
$175.99
PSA JAKL-15 300 Blackout Bolt Carrier Assembly
Palmetto State Armory
$249.99
Magazines
Feed devices for ammunition
Magpul PMAG GEN M3 30rd .300 Blackout OD Green Polymer Magazine
Magpul
$16.10
Lancer L5AWM 300 AAC Blackout 10-Round AR-15 Magazine, Opaque Black
Lancer
$19.99
IMI Defense G2 .300 Blackout/.300 HAMR AR15/M16 20-Round Magazine - Flat Dark Earth
IMI Defense
$19.99
Lancer L5AWM .300 Blackout 20-Round Magazine Translucent Smoke
Lancer
$19.99
Browning X-Bolt 2 .300 RUM 3-Round Detachable Rotary Magazine Black
Browning
$29.33
D&H Tactical .300 AAC Blackout 20-Round Aluminum AR-15 Magazine
D&H Industries
$17.89
D&H Industries Aluminum 300 Blackout 10 Round Magazine - Black
D&H Industries
$13.99
Ruger 90526 OEM Black Detachable 30rd Magazine for Ruger AR-556 SR-556 Takedown
Ruger
$18.30
Magpul PMAG GEN M3 AR-15 .300 Blackout 30-Round Rifle Magazine (OD Green)
Magpul
$12.65
Magpul PMAG Gen M3 AR-15 .300 Blackout 30-Round Magazine - Medium Coyote Tan (MAG800-MCT)
Magpul
$12.49
Muzzle Devices
Flash hiders, brakes, and compensators
Dark Storm Industries A2 Bird Cage Flash Hider .300 AAC Blackout 5/8-24 Black
Dark Storm Industries
$14.95
GUNTEC AR 300 Blackout Muzzle Comp with QD Blast Shield
Guntec USA
$82.52
Lantac Dragon Keymo Wolfman Muzzle Brake 300 AAC Blackout 5/8x24
Lantac
$163.99
Comstock Armory 4-Prong Flash Hider .300 AAC Blackout 5/8-24 Black Nitride
Comstock Armory
$69.00
Armaspec Fireball Compensator AR Recoil Reduction Muzzle Device
Armaspec
$64.10
Midwest Industries MI Muzzle Device Collar SIG MCX 300 Blackout Models
Midwest Industries
$10.50
Fortis Manufacturing Muzzle Brake 300 Blackout 7.62x39 Threaded 5/8-24 Nitride Finish
Fortis Manufacturing
$53.10
Dead Air DA303 KeyMo 30 Cal Flash Hider M14x1 LH (4140 HT)
Dead Air Armament
$62.40
Dead Air Armament KeyMicro 5/8x24 Sig Taper Flash Hider DA120
Dead Air Armament
$60.00
American Precision Arms Gen 3 Fat Bastard Muzzle Brake 5/8x24 30 Cal Black Nitride
American Precision Arms
$100.80
Ammunition
Cartridges chambered in this caliber
Remington UMC 300 AAC Blackout 220 Grain OTFB 160rd Pail Ammo
Remington
$206.74
Sig Sauer Marksman .300 Blackout 125 Grain OTM Ammo (20 Rounds)
Sig Sauer
$29.53
Sinterfire SF300BLK110GL-C 300 BO GL 110gr LF Ammunition (50rd)
Sinterfire
$38.17
Sinterfire SF300BLK110RHA .300 BO RHA 110gr LF Rifle Ammo (50rd)
Sinterfire
$36.75
SIG Sauer E300NM215OTM-440 .300 Norma Mag 215gr Ammo Crate (440 Rounds)
Sig Sauer
$2,060.99
Precision One .300 Blackout 130gr HP 20-Round Box
Precision One Ammunition
$15.30
Federal 4570 Fusion Tipped 300 AAC Blackout Rifle Ammunition 20/10
Federal
$37.98
Winchester S300BC .300 Win Mag 195gr BC Max 20-Round Ammo
Winchester
$47.70
Ikonick IU-300-115HP-B20 .300 Blackout 115 Grain CC 20rd Ammo
Ikonick
$24.88
Ikonick IU-300-147FM-C250 300 Blackout 147 Grain FMJBT Ammunition
Ikonick
$165.14