In StockSave 24%
Proof Research AR-15 Barrel 338 ARC 12" 1:8" Twist Stainless
Sold byMidwayUSA•Posted Apr 27, 2026
Compare prices for Proof Research AR-15 Barrel 338 ARC 12" 1:8" Twist Stainless$493.01
$649.00
You save $155.99 (24% off)
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Deal Summary
- Currently in stock.
- Caliber: 338 arc
- Category: parts
- UPC: 843068144800
- SKU: 776594
- Brand: Proof Research
Price History
Deal Details
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. FeaturesMatch-grade accuracyUnprecedented durabilityDouble-stress relieved 416R stainless steel
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