Proof Research PR15 .338 ARC AR-15 Barrel - Pistol Length - 12" - Stainless Steel

Ballistic Advantage Premium Black Series, Barrel, 22 ARC, 16 in, 1:7 Twist, Mid Length Gas System, QPQ Corrosion Resistant Finish, Black BABL22ARC01PQ

PROOF BBL CF PR15 338ARC 16 PISTOL .750 1-8

Bilson Arms P8FSSTB20R1 BA-15FCP 338 ARC 10+1 14.50" Stainless Steel Threaded Barrel, Tactical Gray/Graphite Black Cerakote Aluminum Receiver w/Picatinny Rail, M-LOK Handguard, Black Polymer SBA4 Brac

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

Ballistic Advantage Premium Series, Barrel, 308 Winchester, 16 in, Hanson Profile, Mid Length Gas System, Fits AR10, QPQ Corrosion Resistant Finish, Black BABL308019P

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

Proof Research 137550 Elevation 2.0 300 PRC 3+1 22" Carbon Fiber Match Grade Threaded Barrel, Picatinny Rail Receiver, Black Granite Fixed Carbon Fiber Stock,