The Proof Research 143285 Carbon Fiber PR15 .223 Wylde 18" Rifle Barrel brings modern lightweight barrel technology to the AR-15 platform. Built around a stainless steel core with a carbon fiber wrap, this 18-inch .223 Wylde barrel offers excellent rigidity, heat management, and consistency while keeping your rifle responsive and easy to handle. Its threaded muzzle and .750 gas journal make it ready for a wide range of gas blocks and muzzle devices.
This barrel is chambered in .223 Wylde to safely and accurately run both .223 Remington and 5.56 NATO ammunition, making it a versatile choice for precision builds and high-volume range use. The rifle-length gas system and 1:8 twist rate are tuned for smooth cycling and stability across popular bullet weights, ideal for competition, training, or extended shooting sessions. Proof Research’s focus on accuracy and advanced materials is evident in the carbon fiber construction and precise machining throughout.
- Manufacturer: Proof Research
- Model: CF PR15 143285
- Caliber: .223 Wylde
- Barrel Length: 18 Inches
- Profile: Rifle, .750 Gas Block
- Twist Rate: 1:8
- Gas System Length: Rifle
| __Material | Stainless Steel, Carbon Fiber |
| __Twist Rate | 1:8 |
| __Rifling | Other |
| __Barrel Length | 18.00" |
| __Caliber | .223 Wylde |
| __Capacity | NA |
| __Model | PR15 |
| __Optic Footprint | NA |
| __Action | NA |
