Proof Research Inc

Proof Carbon Fiber Drop in Barrel for AR-15 Mid Length 14.5" 223 Wylde 1:7 1/2-28 Thread

Proof Carbon Fiber Drop in Barrel for Daniel Defense Delta 5 Rifle 308 Win 20" 1:10 Twist 5/8-24 Thread

Proof Carbon Fiber Drop in Barrel for Daniel Defense Delta 5 Rifle 6 Creedmoor 24" 1:7.5 Twist 5/8-24 Thread

Proof Carbon Fiber Drop in Barrel for Daniel Defense Delta 5 Rifle 6.5 Creedmoor 24" 1:8 Twist 5/8-24 Thread

Proof Carbon Fiber Drop in Barrel for Ruger 10/22 22 LR 16.1" 1:16 Twist 1/2-28 Thread

Proof Carbon Fiber Drop in Barrel for Ruger 10/22 22 LR 20" 1:16 Twist 1/2-28 Thread

Proof Carbon Fiber Drop in Barrel for Ruger Precision Rifle 6.5 Creedmoor 24" 1:8 Twist 5/8-24 Thread

Proof Carbon Fiber Drop in Barrel for Small Shank Savage Rifle 6.5 PRC 24" 1:7.5 Twist 5/8-24 Thread

Proof Elevation MTR 2.0 Rifle 6.5 PRC 5rd Magazine 22" Threaded Barrel TFDE Carbon Fiber Stock

Proof Elevation MTR Rifle 308 Win 5/rd 20" Carbon Fiber Barrel Black Granite

Proof Elevation MTR Rifle 308 Win 5/rd 20" Carbon Fiber Barrel TFDE

Proof Elevation Rifle 300 WM 3/rd 24" Carbon Fiber Barrel Black Granite

Proof Elevation Rifle 308 WIN 4/rd 20" Carbon Fiber Barrel Black Granite

Proof Elevation Rifle 6.5 Creedmoor 4/rd 24" Carbon Fiber Barrel Black Granite

Proof Elevation Rifle 7mm PRC 4rd Magazine 24" Barrel Black Granite

Proof Glacier Rifle Steel TFDE Rifle 7 PRC 3rd Capacity 24" Threaded Barrel Synthetic Stock

Proof Steel Drop in Barrel for Carbine Gas System AR-15 Compatible Firearms 223 Wylde 20" 1:7 Twist 1/2-28

Proof Steel Drop in Barrel for Carbine Gas System AR-15 Compatible Firearms 300 BLK 16" 1:8 Twist 5/8-24