Proof Research Lone Peak Steel Pre-Fit Threaded Barrels, .223 Remington, 26In, 1-7 Twist, 5/8-24 Thread, Competition, 4 Groove, 133217

Proof Research Kelbly Steel .22 Creedmoor Threaded Rifle Barrel, 26 Inch, Competition, 1-8 Twist, 5/8-24, Steel, 143506

Proof Research Accuracy International Pre-Fit Barrel, Steel, 6.5 PRC, 24 Inch, 1/7.5 Twist, 5/8X24 Thread, M27 Breech Thread, Silver, 112953

Proof Research AR-Type Barrel, Steel, 6 CM, 22 Inch, Rifle+3 Length, 1/7.5 Twist, 5/8-24 Thread, Silver, 112656

Proof Research Zermatt Arms Steel .22 Long Rifle Threaded Rifle Barrel, 26 Inch, Competition, 1-16 Twist, 1/2-28, Silver, 133446

Proof Research AR Steel 6mm ARC Threaded Rifle Barrel, 22 Inch, Rifle +1 Length, 1-7.5 Twist, 5/8-24, Stainless Steel, 143674

Proof Research Stiller Steel 6mm ARC Threaded Rifle Barrel, 26 Inch, Competition, 1-7.5 Twist, 5/8-24, Silver, 145791

Proof Research Savage Steel .223 Remington Threaded Rifle Barrel, 20 Inch, 1-8 Twist, 5/8-24, Silver, 143049

Proof Research Ruger Pre-Fit Barrel, Steel, 6 CM, 24 Inch, 1/7.5 Twist, 5/8X24 Thread, Silver, 112991

Proof Research Ruger Steel Pre-Fit Barrels, 6.5 PRC, 24In, 8 Twist, 5/8-24 Thread, 115343

Proof Research Sig Cross Steel .260 Remington Threaded Rifle Barrel, 20 Inch, 1-8 Twist, 5/8-24, Silver, 138960

Proof Research Lone Peak Steel 6mm GT Threaded Rifle Barrel, 26 Inch, Competition, 1-7.5 Twist, 5/8-24, Silver, 133538

Proof Research Bolt Action Blank Barrel, .308, 28In, Heavy Palma, 9 Twist, Steel, Silver, 134351

Proof Research Bolt Action Steel Barrel, .264, 28In, 8 Twist, Competition Contour, 113738

Proof Research Impact Precision Steel 6mm GT Threaded Rifle Barrel, 26 Inch, Competition, 1-7.5 Twist, 5/8-24, Silver, 133491

Proof Research AR-Style Barrel, Steel, 6.5 Grendel, 20In, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle, 100516

Proof Research Savage Pre-Fit Barrel, Steel, 6 CM, 24 Inch, 1/7.5 Twist, Savage, 5/8X24 Thread, Small Shank, Silver, 112922

Proof Research PR10 Stainless Steel 18in 308 Win Rifle Length Rifle Barrel, 30Cal, 0.75GB, 10 Twist, 5/8 X 24, 100677

Proof Research PR10 Stainless Steel Threaded Barrel, 6mm Creedmoor, AR-10, 24 Inch, Rifle +3 Gas System Length, 5/8X24 Thread, 1-7.5 Twist, Silver, 129203

Proof Research Accuracy International Pre-Fit Barrel, 7PRC, 26In, 8 Twist, 5/8X24 Thread, AXMC, M30 Breech, Stainless Steel, Graphite/Silver, 134627

Proof Research Impact Precision Steel Pre-Fit Threaded Barrels, .308 Winchester, 26In, 1-10 Twist, 5/8-24 Thread, Short Action, Competition, 5 Groove, 130636

Proof Research Zermatt Arms Pre-Fit Stainless Steel Threaded Barrels, .308 Winchester, 26In, 1-10 Twist, 5/8-24 Thread, Zermatt TL3/SR3 SA, Competition, 5 Groove, 130575

Proof Research Impact Precision Pre-Fit Stainless Steel Threaded Barrel, 6.5 PRC, Impact 737, Long Action, 26 Inch, 5/8X24 Thread, 1-7.5 Twist, Competition Profile, Silver, 123478

Proof Research Barrett MRAD Steel .300 Norma Magnum Threaded Rifle Barrel, 26 Inch, 1-9 Twist, 5/8-24, Silver, 133644

Proof Research PR15 Stainless Steel Barrel, 6mm ARC, 16 In, Rifle Length, 5/8X24 Thread, 1-7.5 Twist, 4 Groove, Stainless, 128664

Proof Research Zermatt Arms Steel Pre-Fit Barrels, 22LR, 20In, Rimx, 10 Twist, 1/2-28, Competition, 121634

Proof Research Bolt Action Stainless Steel Blank Barrel, .277 Caliber, 28In, 1-8.4 Twist, 1.22 Breech, SS Thread, 5 Groove, 133101

Proof Research Barrel, Bolt, 308, 27 Inch, 10 Twist, 5 Groove, Stainless Steel, Medium Sporter, 101124

Proof Research AR-Style Barrel, Carbon, 300Blk, 12.5In, 7 Twist, 5 Groove, 5/8-24 Thread, Gas Length Pistol, 100523

Proof Research Elevation Carbon 7mm PRC Threaded Rifle Barrel, 22 Inch, 1-8 Twist, 5/8-24, Black, 144022

Proof Research Bolt Action Barrel, Carbon Fiber, .264, 27 Inch, 1/7.5 Twist, 2.5 Inch Breech, 1.2 Shank, M24, Silver, 112793

Proof Research AR Type Carbon Fiber Barrel, 6.5 Grendel, 18In, 8 Twist, .750 Gas Journal Diameter, 5/8-24 Thread, 121665

Proof Research Stiller Pre-Fit Carbon Fiber Threaded Barrel, .300 PRC, Stiller Predator/ TAC, 24 Inch, 5/8X24 Thread, 1-9 Twist, Sendero Profile, Graphite/Sliver, 128831

Proof Research Falkor Carbon .300 PRC Threaded Rifle Barrel, 24 Inch, Sendero, 1-9 Twist, 5/8-24, Black, 134047

Proof Research PR15 Carbon Fiber Threaded Barrel, 6mm ARC, 20In, Rifle+1 Length, 1-7.5 Twist, 5/8-24 Thread, Standart, 4 Groove, 130438

Proof Research Carbon AR .223 Wylde Threaded Rifle Barrel, 18 Inch, Rifle Length, 1-7 Twist, 5/8-24, Carbon, 143278