Rosco Manufacturing Purebred 20" 6mm ARC SPR 1:7.5 Twist Rifle+1 Stainless Barrel - PB-20 SPR 6MM 7.5 R1
Only 3 left in stock
The Rosco Manufacturing Purebred 6mm ARC is a 16-inch, 6mm ARC caliber barrel designed for AR-15 platforms. This barrel prioritizes performance with an SPR contour that’s ideal for cold bore shots on target and a balanced weight. Gas ports are optimized for popular precision bullet weights and suppressor use, ensuring reliable function. The barrel features a Rifle Length gas system for smooth operation.
Features:
- Chambered in 6mm ARC
- 416R stainless steel construction
- 80 grit bead blasted finish
- 5/8×24 barrel threads
- SPR barrel profile
- Rifle length gas system
- .750 gas block size
- Step crown
- Length: 20”
- Weight: 35.4 oz.
| Weight | 35.4 oz |
|---|---|
| Dimensions | 22 × 3 × 3 in |
| Finish | Bead Blasted Stainless |
| Barrel Profile | SPR |
| Gas System Length | Rifle |
| Gas Block Journal | 0.75 |
| Barrel Length | 20 |
| Cartridge Compatibility | 6mm ARC |
| Platform | AR-15 |
| Twist Rate | 1:7.5 |
| Muzzle Thread Pattern | 5/8×24 |
| MPN | PB-20 SPR 6MM 7.5 R1 |
| UPC | 24104 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
