An optimum combination of high tensile strength along with requisite toughness to withstand extreme chamber pressures encountered during firing. Excellent erosion wear characteristics and corrosion resistance.
“Rosco Manufacturing BL-125-M4-556-7-C Bloodline 5.56 NATO 12.50″ Nitride 4150 CMV Barrel” has been added to your cart. View cart
AR Barrels
Proof Research 130384 AR-Style Barrel 6mm Arc 20″ Rifle +1 Length Gas System 1:7.50″ Twist 4 Grooves, 5/8″-24 tpi, Stainless Stainless
$649.00
Proof Research 130384 AR-Style Barrel 6mm Arc 20″ Rifle +1 Length Gas System 1:7.50″ Twist 4 Grooves, 5/8″-24 tpi, Stainless Stainless
Availability: 4 in stock
| UPC | 843068130384 |
|---|---|
| Manufacturer | Proof Research |
| Manufacturer Part Number | 130384 |
| Length | 20" |
| Rate of Twist | 1:7.50" |
| Model | AR-Style Barrel |
| Barrel Length | 20" |
| Caliber/Gauge | 6mm ARC |
| Product Type | Accessory-Barrels |
| Shipping Weight | 0.0 |




