Proof Research Bolt-Action 264 Caliber Stainless Steel Barrels - 264 Cal 1-8 Twist 28" Stainless Ste

Proof Research Bolt Action Barrel Carbon Fiber .264 16.5 inch 1/8 Twist 2.5 inch Breech 1.2 Shank Sendero Black 105467

Proof Research Bolt Action Barrel Carbon Fiber .264 16.5 inch 1/8 Twist 2.5 inch Breech 1.2 Shank Sendero Black 105467. These Rifle Barrels come in some of the most popular as well as niche calibers so that you can build the rifle of your dreams using... ... more

Proof Research Bolt Action Stainless Steel Blank Barrel .284 Caliber 28in 1-8 Twist 1.22 Breech SS Thread 5 Groove 133125

Proof Research Bolt Action Stainless Steel Blank Barrel .284 Caliber 28in 1-8 Twist 1.22 Breech SS Thread 5 Groove 133125. Proof Research Bolt Action Stainless Steel Blank Barrels are machined to tighter tolerances than the industry standard to ensure... ... more

Proof Research Bolt-Action 243 Caliber Stainless Steel Barrels - 243 Caliber 7.5 Twist 28" Stainless

Your bolt-action barrel will arrive ready for thread and chamber by your gunsmith. When PROOF Research joined with Lawrence Barrels in 2012, they acquired 15 years of experience in manufacturing precision steel barrels. PROOF now manufactures stainless... ... more

Proof Research Bolt Action Barrel Carbon Fiber .264 Caliber 22in 1-7.5 Twist CF Thread 4 Groove 133163

Proof Research Bolt Action Barrel Carbon Fiber .264 Caliber 22in 1-7.5 Twist CF Thread 4 Groove 133163. These Rifle Barrels come in some of the most popular as well as niche calibers so that you can build the rifle of your dreams using the latest in... ... more

Proof Research Bolt Action Barrel Carbon Fiber .264 Caliber 16.5in 1-7.5 Twist CF Thread Sendero 4 Groove 130452

Proof Research Bolt Action Barrel Carbon Fiber .264 Caliber 16.5in 1-7.5 Twist CF Thread Sendero 4 Groove 130452. These Rifle Barrels come in some of the most popular as well as niche calibers so that you can build the rifle of your dreams using the... ... more

Proof Research Bolt Action Stainless Steel Blank Barrel .375 Caliber 28 inch 1-12 Twist Bull Sporter Profile Silver 129227

Proof Research Bolt Action Stainless Steel Blank Barrel .375 Caliber 28 inch 1-12 Twist Bull Sporter Profile Silver 129227. Proof Research Bolt Action Stainless Steel Blank Barrels are machined to tighter tolerances than the industry standard to ensure... ... more

Proof Research Barrel Bolt .264 26 inch 8 Twist 4 Groove Cf Sendero Stainless Steel 100929

Proof Research Barrel Bolt .264 26 inch 8 Twist 4 Groove Cf Sendero Stainless Steel 100929. These Rifle Barrels developed by Proof Research utilize match-grade carbon fiber construction to create a durable and lightweight barrel for your rifle. This... ... more

Proof Research Barrel Bolt .264 26 inch 8 Twist 4 Groove Cf Bull Stainless Steel 105061

Proof Research Barrel Bolt .264 26 inch 8 Twist 4 Groove Cf Bull Stainless Steel 105061. These Rifle Barrels developed by Proof Research utilize match-grade carbon fiber construction to create a durable and lightweight barrel for your rifle. This Proof... ... more

Proof Research Carbon Fiber Barrel for Bolt Action Rifle .264 20in 7.5 Twist Sendero Light 105269

Proof Research Carbon Fiber Barrel for Bolt Action Rifle .264 20in 7.5 Twist Sendero Light 105269. These Rifle Barrels designed by Proof Research are turned down from match-grade 416R stainless steel barrel blanks that have been reduced by weight. For... ... more

Proof Research Carbon Fiber Barrel for Bolt Action Rifle .264 18in 7.5 Twist Sendero Light 121658

Proof Research Carbon Fiber Barrel for Bolt Action Rifle .264 18in 7.5 Twist Sendero Light 121658. These Rifle Barrels designed by Proof Research are turned down from match-grade 416R stainless steel barrel blanks that have been reduced by weight. For... ... more

Proof Research Bolt Action Barrel Carbon Fiber .264 24 inch 1/7.5 Twist 2.5 inch Breech 1.2 Shank Sendero Black 110171

Proof Research Bolt Action Barrel Carbon Fiber .264 24 inch 1/7.5 Twist 2.5 inch Breech 1.2 Shank Sendero Black 110171. These Rifle Barrels come in some of the most popular as well as niche calibers so that you can build the rifle of your dreams using... ... more

Proof Research Bolt Action Barrel Carbon Fiber .264 22 inch 1/7.5 Twist 2.5 inch Breech 1.2 Shank Sendero Black 105511

Proof Research Bolt Action Barrel Carbon Fiber .264 22 inch 1/7.5 Twist 2.5 inch Breech 1.2 Shank Sendero Black 105511. These Rifle Barrels come in some of the most popular as well as niche calibers so that you can build the rifle of your dreams using... ... more

Proof Research Bolt Action Barrel Carbon Fiber .264 26 inch 1/7.5 Twist 2.5 inch Breech 1.20 Shank Sendero Black 110164

Proof Research Bolt Action Barrel Carbon Fiber .264 26 inch 1/7.5 Twist 2.5 inch Breech 1.20 Shank Sendero Black 110164. These Rifle Barrels come in some of the most popular as well as niche calibers so that you can build the rifle of your dreams using... ... more

Proof Research Bolt Action Barrel Carbon Fiber .264 22 inch 1/7.5 Twist 2.5 inch Breech 1.2 Shank Sendero Light Black 110478

Proof Research Bolt Action Barrel Carbon Fiber .264 22 inch 1/7.5 Twist 2.5 inch Breech 1.2 Shank Sendero Light Black 110478. These Rifle Barrels come in some of the most popular as well as niche calibers so that you can build the rifle of your dreams... ... more

Proof Research Bolt Action Barrel Carbon Fiber .264 20 inch 1/7.5 Twist 2.5 inch Breech 1.2 Shank Sendero Black 112700

Proof Research Bolt Action Barrel Carbon Fiber .264 20 inch 1/7.5 Twist 2.5 inch Breech 1.2 Shank Sendero Black 112700. These Rifle Barrels come in some of the most popular as well as niche calibers so that you can build the rifle of your dreams using... ... more

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 Bolt Action Stainless Steel Blank Barrel .277 Caliber 28in 1-8.4 Twist 1.22 Breech SS Thread 5 Groove 133101. Proof Research Bolt Action Stainless Steel Blank Barrels are machined to tighter tolerances than the industry standard to... ... more

Proof Research Bolt Action Barrel Carbon Fiber .224 24 inch 1/8 Twist 2.5 inch Breech 1.2 Shank Sendero Light Black 103081

Proof Research Bolt Action Barrel Carbon Fiber .224 24 inch 1/8 Twist 2.5 inch Breech 1.2 Shank Sendero Light Black 103081. These Rifle Barrels come in some of the most popular as well as niche calibers so that you can build the rifle of your dreams... ... more

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

Proof Research Bolt Action Steel Barrel .264 28in 8 Twist Competition Contour 113738. These Rifle Barrels by Proof Research are precisely machined to provide an optimum combination of high tensile strength along with requisite toughness to withstand... ... more

Proof Research Bolt Action Blank Barrel .264 28in Heavy Palme 8 Twist Steel Silver 134337

Proof Research Bolt Action Blank Barrel .264 28in Heavy Palme 8 Twist Steel Silver 134337. . These Rifle Barrels through the expert product experts at Proof Research are designed working with dependable and dependable materials to be able to provide... ... more

Proof Research PR15 Stainless Steel 11.5in 223 Wylde Carbine Rifle Barrel 22cal 0.75GB 7 Twist 1/2 x 28 100387

Proof Research PR15 Stainless Steel 11.5in 223 Wylde Carbine Rifle Barrel 22cal 0.75GB 7 Twist 1/2 x 28 100387. These Rifle Barrels made by Proof Research utilize full mass bolt carrier groups and standard rate recoil springs to ensure optimal... ... more

Proof Research PR15 Stainless Steel 16in 223 Wylde Mid Rifle Barrel 22cal 0.75GB 8 Twist 1/2 x 28 100066

Proof Research PR15 Stainless Steel 16in 223 Wylde Mid Rifle Barrel 22cal 0.75GB 8 Twist 1/2 x 28 100066. These Rifle Barrels made by Proof Research utilize full mass bolt carrier groups and standard rate recoil springs to ensure optimal reliability... ... more

Proof Research Barrel Bolt .264 26 inch 8 Twist 4 Groove Cf Sendero Light Stainless Steel 105382

Proof Research Barrel Bolt .264 26 inch 8 Twist 4 Groove Cf Sendero Light Stainless Steel 105382. These Rifle Barrels developed by Proof Research utilize match-grade carbon fiber construction to create a durable and lightweight barrel for your rifle.... ... more

Proof Research Barrel Bolt 264 27 inch 8 Twist 4 Groove Stainless Steel M24 101094

Proof Research Barrel Bolt 264 27 inch 8 Twist 4 Groove Stainless Steel M24 101094. These Rifle Barrels from the innovators at Proof Research are lightweight and ergonomic and won't weigh you down at the range. With extreme pressure resistance the... ... more

Proof Research Zermatt Arms Pre-Fit Stainless Steel Threaded Barrel 6.5 PRC TL3/SR3 Short Action 26 inch 5/8x24 Thread 1-7.5 Twist Competition Profile

Proof Research Zermatt Arms Pre-Fit Stainless Steel Threaded Barrel 6.5 PRC TL3/SR3 Short Action 26 inch 5/8x24 Thread 1-7.5 Twist Competition Profile. Our pre-fit Zermatt Arms shouldered barrels are easy to install. Simply thread it on torque it down... ... more

Proof Research Zermatt Arms Pre-Fit Stainless Steel Threaded Barrels .308 Winchester 26in 1-10 Twist 5/8-24 Thread Zermatt Origin Competition 5 Groove

Proof Research Zermatt Arms Pre-Fit Stainless Steel Threaded Barrels .308 Winchester 26in 1-10 Twist 5/8-24 Thread Zermatt Origin Competition 5 Groove. Our pre-fit Zermatt Arms shouldered barrels are easy to install. Simply thread it on torque it down... ... more

Proof Research PR10 Stainless Steel CamGas 22in 6.5CM Rifle Length plus 2in Rifle Barrel 264cal 0.875GB 8 Twist 5/8 x 24 100646

Proof Research PR10 Stainless Steel CamGas 22in 6.5CM Rifle Length plus 2in Rifle Barrel 264cal 0.875GB 8 Twist 5/8 x 24 100646. 5CM Deepfeed Rifle Barrels take your next modification or build out to the next level. These AR15 Barrels from the... ... more

Proof Research Zermatt Arms Pre-Fit Stainless Steel Threaded Barrel 6mm ARC TL3/SR3 Action 26 inch 5/8x24 Thread 1-7.5 Twist Competition Profile

Proof Research Zermatt Arms Pre-Fit Stainless Steel Threaded Barrel 6mm ARC TL3/SR3 Action 26 inch 5/8x24 Thread 1-7.5 Twist Competition Profile. Our pre-fit Zermatt Arms shouldered barrels are easy to install. Simply thread it on torque it down double... ... more

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

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. These barrels come chambered and threaded for an easy install - torque on ensure headspace with proper... ... more

Proof Research PR10 Stainless Steel CamGas 20in 6.5CM Rifle Length plus 2in Rifle Barrel 264cal 0.875GB 8 Twist 5/8 x 24 100622

Proof Research PR10 Stainless Steel CamGas 20in 6.5CM Rifle Length plus 2in Rifle Barrel 264cal 0.875GB 8 Twist 5/8 x 24 100622. 5CM Deepfeed Rifle Barrels take your next modification or build out to the next level. These AR15 Barrels from the... ... more

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 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. These Rifle Barrels developed by Proof Research utilize a proprietary C.A.M.G.A.S. port system as well... ... more

Proof Research Zermatt Arms Pre-Fit Stainless Steel Threaded Barrel 6.5 PRC Origin Action 26 inch 5/8x24 Thread 1-7.5 Twist Competition Profile Silver

Proof Research Zermatt Arms Pre-Fit Stainless Steel Threaded Barrel 6.5 PRC Origin Action 26 inch 5/8x24 Thread 1-7.5 Twist Competition Profile Silver. Our pre-fit Zermatt Arms shouldered barrels are easy to install. Simply thread it on torque it down... ... more

Proof Research PR10 Stainless Steel CamGas 24in 6.5CM Rifle Length plus 2in Rifle Barrel 264cal 0.875GB 8 Twist 5/8 x 24 101421

Proof Research PR10 Stainless Steel CamGas 24in 6.5CM Rifle Length plus 2in Rifle Barrel 264cal 0.875GB 8 Twist 5/8 x 24 101421. 5CM Deepfeed Rifle Barrels take your next modification or build out to the next level. These AR15 Barrels from the... ... more

Proof Research Zermatt Arms Pre-Fit Stainless Steel Threaded Barrel 6mm ARC Origin Action 26 inch 5/8x24 Thread 1-7.5 Twist Competition Profile Silver

Proof Research Zermatt Arms Pre-Fit Stainless Steel Threaded Barrel 6mm ARC Origin Action 26 inch 5/8x24 Thread 1-7.5 Twist Competition Profile Silver. Our pre-fit Zermatt Arms shouldered barrels are easy to install. Simply thread it on torque it down... ... more

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 18in 308 Win Rifle Length Rifle Barrel 30cal 0.75GB 10 Twist 5/8 x 24 100677. These Rifle Barrels made by Proof Research are constructed from stress-proof stainless steel and can handle the full load of .308 ammo.... ... more

Proof Research Defiance Ruckus Pre-Fit Stainless Steel Threaded Barrel 6.5 PRC 26 inch 5/8x24 Thread 1-7.5 Twist Competition Profile Silver 129388

Proof Research Defiance Ruckus Pre-Fit Stainless Steel Threaded Barrel 6.5 PRC 26 inch 5/8x24 Thread 1-7.5 Twist Competition Profile Silver 129388. Our truly innovative founders envisioned a company that would apply advanced science new technologies... ... more

Proof Research Barrel Bolt 264 27 inch 8 Twist 4 Groove Stainless Steel Medium Sporter 101100

Proof Research Barrel Bolt 264 27 inch 8 Twist 4 Groove Stainless Steel Medium Sporter 101100. These Rifle Barrels from the innovators at Proof Research are lightweight and ergonomic and won't weigh you down at the range. With extreme pressure... ... more

Proof Research Accuracy International Pre-Fit Barrel Steel 6.5 CM 24 inch 1/8 Twist 5/8x24 Thread M27 Breech Thread Silver 110188

Proof Research Accuracy International Pre-Fit Barrel Steel 6.5 CM 24 inch 1/8 Twist 5/8x24 Thread M27 Breech Thread Silver 110188. These Rifle Barrels made by Proof Research are crafted from pre-hardened chromium stainless steel (416R) that is rugged... ... more