

Click to see full view
Proof Research
Overview
The Proof Research PR15 Stainless Steel Barrel in 6mm ARC is a 20-inch rifle-length barrel designed for precision and reliability. With a 1-7.5 twist rate, it stabilizes a range of bullet weights, making it suitable for both target shooting and hunting applications. The 5/8x24 thread pitch allows for easy attachment of muzzle devices, enhancing versatility for various builds. This barrel is commonly found in precision-oriented setups where accuracy and performance are prioritized.
Based on build data

Wilson Combat Ar-15 Billet Upper Receiver
Upper Receiver
BLEM PSA AR15 Complete Classic Stealth Lower, Black
Lower Receiver
Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C
Charging Handle
Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black
Gas Block
Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length
Gas Tube
Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock
Lower ReceiverAggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Wilson Combat Ar-15 Billet Upper Receiver | Upper Receiver | 153 |
| BLEM PSA AR15 Complete Classic Stealth Lower, Black | Lower Receiver | 146 |
| Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C | Charging Handle | 144 |
| Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black | Gas Block | 136 |
| Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length | Gas Tube | 132 |
| Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock | Lower Receiver | 118 |
| Platform | Percentage |
|---|---|
| AR-15 | 88.2% |
| AR-10 | 9.1% |
| AR-9 | 2.6% |
| Caliber | Percentage |
|---|---|
| 6mm ARC | 100% |
| Gas System | Percentage |
|---|---|
| Rifle | 100% |
Builds in the community that include the Proof Research PR15 Stainless Steel Barrel 6mm ARC 20in Rifle+1 Length 1-7.5 Twist 5/8-24 Thread Standart 4 Groove
| Build | Parts | Total |
|---|---|---|
![]() | 14 | $1505.00 |
No reviews yet. Be the first to review this product!