Restrictions
- Is a 'Call to order' product.
Top takeaways
- PROOF Research offers stainless steel barrels with extreme accuracy and quality, utilizing double stress-relieved 416R stainless steel for precision rifle barrels.
- The 416R stainless steel used is chosen for its excellent machinability, homogeneous microstructure, and combination of high tensile strength with adequate toughness.
- Barrels undergo a meticulous process including drilling, contouring, reaming, rifling, lapping, and individual bore scope inspection, but do not include gas block, gas tube, or bolt (except for 300BLK).
Attributes
- Cartridge:
308 Winchester
- Finish:
Stainless Steel
- Gas System Length:
Rifle
- Length:
18''
- Muzzle Threads:
5/8-24
- Twist:
1-10
- Weapon type:
AR .308
- Delivery weight: 1.56kg
- Shipping height: 32mm
- Shipping width: 32mm
- Shipping length: 483mm
- UPC: 843068100677
Item details
US export classification: 0A501.c




