300 Blackout Barrels

TRYBE Defense 16.25in Medium Profile AR-15 Barrel .300 AAC Blackout 16.25in Black

Geissele Automatics Geissele Cold Hammer Forged .300 BLK 10.3" Chrome Lined Barrel 05-2370

Geissele Automatics Geissele Cold Hammer Forged .300 BLK 8" Chrome Lined Barrel 05-3112

Geissele Automatics Geissele Cold Hammer Forged .300 BLK 5" Chrome Lined Barrel 05-2806

TRYBE Defense 16 in Blackout Government Profile AR Carbine Barrel .300 5/8X24 Threads Nitride Black

Wilson Combat Match Grade Barrel AR-15 300 Blackout 16 in Ultralight Hunter Pistol Length 1-7 Twist 5/8x24 Threaded Glass Bead

Moriarti AR-15 Pistol Barrel Threaded .300 AAC Blackout 10.5 inch Medium 1-7 Twist 5/8x24 Thread Nitride Nitride 10.5 inch

Moriarti Upper Receiver with Flash Hider AR-15 .300 Blackout 10.5 inch Barrel Medium Profile Pistol Length 1x7 Twist 5/8X24 Thread M-LOK Handguard A2

Moriarti AR-15 300 Blackout AR Threaded Barrel 6in Medium Profile Pistol Length 1-7 Twist 5/8-24 Black

OP Exclusive Moriarti AR-15 Upper Receiver 300 Blackout 10.5in Pistol Medium M-LOK 1-7 Twist 5/8x24 Thread Diamond Cut Free-Float Handguard Triport

Moriarti AR-15 300 Blackout Diamond Cut 12in MLok Upper Assembly A2 Black 16in

Moriarti AR-15 .300 AAC Blackout Threaded Barrel 7.5 inch Medium Micro Gas System 1-7 Twist 5/8x24 QPQ Corrosion Resistant Black

Moriarti AR-15 .300 AAC Blackout Threaded Barrel 14.5 inch Medium Micro Gas System 1-7 Twist 5/8x24 QPQ Corrosion Resistant Black

Moriarti AR-15 .300 AAC Blackout Threaded Barrel 16 inch Medium Micro Gas System 1-7 Twist 5/8x24 QPQ Corrosion Resistant Black

Moriarti AR-15 .300 AAC Blackout Threaded Barrel 5 inch Medium Micro Gas System 1-7 Twist 5/8x24 Nitride Black

SIG SAUER Barrel/Gas Block Assy MCX 300 Blk 6.75" Rattler LT

SIG SAUER MCX Virtus .300 AAC Blackout Threaded Rifle Barrel Kit Black

Sig Sauer Cal-X Kit SIGMCX 300 BLK 6.75 Tapered Lug CALX-MCX-6B-300-TAP

CA1510.5 Barrel10''FullPic Mlok300 Pistol 10rd

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 19.5in 10.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Silver

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

DMA Inc. XTS AR-15 Pistol-Length Gas .300 Blackout 1:8 4150 CMV Barrel - 10.5"

TacFire .300 Aac Blk 16in 1x8 Twist Nitride Barrel w/Nib Extension Black

TacFire .300 Aac Blk 10.5in 1x8 Twist Nitride Barrel w/Nib Extension Black