Proof Research Barrel AR-15 6mm ARC 20" 1:7.5 Twist 5/8"-24 Thread Stainless Steel

Name: Proof Research Barrel AR-15 6mm ARC 20" 1:7.5 Twist 5/8"-24 Thread Stainless Steel
Brand: Proof Research
SKU: 152046
Price: 649 USD
Availability: InStock

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MSRP: $749.00

$649.00

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6mm ARC
Stainless

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Specifications

SKU:: 152046
UPC:: 843068130384
Caliber:: 6mm ARC
Finish:: Stainless
Model:: ARStyle Barrel
Barrel Type:: Rifle 1 Length

Description

Match-grade accuracy - Unprecedented durability - Double-stress relieved 416R stainless steel - Proof Research's steel barrels are produced in-house from double-stress relieved 416R stainless steel. This pre-hardened chromium steel is ideally suited for match grade rifle barrels. Each barrel is drilled contoured and reamed to bore diameter. It is then cut rifled lapped and inspected via borescope. This ensures an extremely consistent and accurate finished product. - Length: 20 Inches - Caliber: 6.5 Grendel - Twist: 1:8 - Threads: 5/8-24 - Contour: Medium - Chrome Lined: No - Gas Block Diameter: 0.75 Inches - Gas System Length: Rifle - M4 Feed Ramps: Yes