300 Blackout Barrels

ABC RIFLE COMPANY AR-15 .300 AAC Blackout Complete Build 16in Barrel 15in Lightweight Hybrid M-LOK Handguard Upper Receiver 5/8x24 Nitride Olive Drab

ABC RIFLE COMPANY AR-15 .300 AAC Blackout Micro Pistol 5in Barrel M-LOK Handguard Upper Receiver w/BCG And Charging Handle Olive Drab Green

CMMG Mk4 .300BLK Banshee Upper Group Receiver 12.5in Midnight Bronze

DMA Inc. XTS AR-15 Pistol-Length Gas .300 Blackout 1:8 4150 CMV Barrel - 16.5"

Andro Corp Industries Barrel 300 Blackout 16 inch Medium Contour Pistol 1-7 Twist 5/8x24 Thread Black Black

Christensen Arms Remington 700 Carbon Fiber Prefit Barrel 300 AAC Blackout 16.25" Sporter Contour 1:7" Twist

Dark Storm Industries DS-15 Typhoon AR-15 .300 Blackout 16in Complete Upper Receiver Pistol Length 1-8 Twist 5/8x24 Cerakote Copperhead Brown

Thompson Central Arms Encore Prohunter Katahdin 300 AAC Blackout Rifle Barrel - 20in - grey 5/8 x 24

Thompson Center Encore Pro Hunter 28" Fluted 300 Blackout Barrel - Stainless

Thompson Center Encore Pro Hunter 26" Fluted 300 Blackout Barrel

Hitman Industries AR-15 .300 AAC Blackout Government Rifle Barrel 7.5 inch 1-8 Twist Pistol Length CrMoV Black

Hitman Industries AR-15 .300 AAC Blackout Government Rifle Barrel 7.5 inch 1-7 Twist Pistol Length CrMoV Black

Hitman Industries AR-15 .300 AAC Blackout Government Rifle Barrel 12.5 inch 1-7 Twist Pistol Length CrMoV Black

Hitman Industries AR-15 .300 AAC Blackout Government Rifle Barrel 10.5 inch 1-7 Twist Pistol Length CrMoV Black

TacFire AR-15 Complete Upper .300 Blackout 10" Barrel Black with Bolt Carrier Group

KAK SPL 1:5 5R 300 Blackout 8" Pistol Gas AR15 Barrel- Stainless

Aug/ Nylaug Barrel- 300 Blackout, 16.5"

7.5" 300 BLK Heavy Contour 1:8 Pistol 41V50 Barrel - Parkerized

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

Criterion Barrels 10.5" .300BLK Hybrid Nitride Pistol Length Barrel 1:7 Twist

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

10.5" .300BLK 1:7 Black Nitride Pistol Barrel

Ballistic Advantage AR-15 Barrel 300 AAC Blackout 8.3" Hanson Contour 1:7" Twist QPQ with Low Profile Gas Block

Ballistic Advantage AR-15 Barrel 300 AAC Blackout 16" DRP Contour 1:7" Twist QPQ