Proof Research Barrel AR-15 223 Remington (Wylde) Stainless Steel


Category: Product ID: 10555


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.



  • Match-grade accuracy
  • Unprecedented durability
  • Double-stress relieved 416R stainless steel
  • Product Information

    Cartridge 223 Wylde
    Finish Stainless
    Material 416R Stainless Steel
    Length 18 Inches
    Weight 2.9375 Pound
    Twist 1:8
    Threads 1/2″-28
    Barrel Contour Medium
    Chrome Lined No
    Gas System Length Rifle
    Gas Block Diameter 0.75 Inches
    M4 Feed Ramps Yes
    Compatible With

    Delivery Information

    Shipping Weight 3.535 Pounds


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