300 Blackout Barrels

AR-STONER AR-15 Barrel 300 AAC Blackout 10.5" Heavy Contour 1:8" Twist Phosphate

ANDERSON 10.5Bbl 300Bo Heavy 1-in-7 Twist

KAK "Baby Blond" SPL 1:7 5R 300 BLK 6.25" Pistol Gas AR15 Barrel- Stainless

KAK SPL 1:5 5R 300 BLK 6.25 " Pistol Gas AR15 Barrel- Stainless

KAK SPL 1:5 5R 300 Blackout 4.75" AR15 Barrel- Stainless

"MR BLOND" 300 Blackout 9" 1:7 5R Pistol Gas SS AR15 Barrel

KAK OE-SPEC- 300 Blackout 4.75" Micro gas, AR15 Barrel- Nitride

KAK OE-SPEC- 300 Blackout 10.5" Pistol Gas AR15 Barrel- Nitride

KAK OE-SPEC- 300 Blackout 8.5" Pistol Gas AR15 Barrel- Nitride

OE-SPEC 300 Blackout- 13.9" AR15 Barrel- Carbine Gas, Nitride

Rosco Manufacturing Purebred Heavy Barrel PB-105-HB-300BLK-7-P, 300BLK, 10.5 in, Bead Blasted Finish, 1:7 Twist

New Frontier Ar15 Barrel 10.5 in 1:8 .300Aac Blk BBL-300-10.5

New Frontier Ar15 Barrel 16 in 1:8 .300Aac Blk BBL-300-16

FAXON Match 300 BLK 7.5in Gunner Rifle Barrel (15B35P7NGM-HL-5R-NP3)

FAXON Match Series 6in Gunner 300 BLK 1:5T Pistol-Length 416-R Stainless QPQ Nitride 5R Nickel Teflon Extension Rifle Barrel (15B35P6NGQ-5R-NP3)

Rosco Manufacturing Purebred 8.2" 300 BLK Heavy 1:7 Twist Pistol Stainless Barrel

10.5" 300 Blackout Pistol Length 1:8 416R Stainless Steel Barrel

8.5" 300 Blackout 1:8 Pistol Length Barrel - Black Nitride

16" 416R Stainless Steel M4 Contour Barrel .300 Blackout Carbine Length G 1:8 Twist

7.5" 300 BLK 1:7 Pistol Length Parkerized Barrel

16" .300 BLK Parkerized 1:8 Heavy Profile Carbine Length Barrel

Rosco Manufacturing Purebred 16" 300 BLK Heavy 1:8 Twist Pistol Stainless Barrel

Green Mountain 300 BLK AR-15 Barrel 16" M4 Fluted Phosphate

5" 300 BLACKOUT MICRO PISTOL MED PROFILE 1:5 RH TWIST M4 BARREL EXTENSION 4150 CrMoV BLACK NITRIDE FINISH