In Stock
Type
parts
Last Seen
May 20, 2026
Proof Research AR-15 Barrel 6mm ARC 18" Medium Contour 1:7.5" Twist Carbon Fiber
Sold byMidwayUSA•Posted Apr 27, 2026
Compare prices for Proof Research AR-15 Barrel 6mm ARC 18" Medium Contour 1:7.5" Twist Carbon Fiber$999.00
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Deal Summary
- Currently in stock.
- Category: parts
- UPC: 843068128671
- SKU: 384897
- 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 steelSingle point cut rifled and t
Other Offers for This Product
Active offers from your catalog for Proof Research AR-15 Barrel 6mm ARC 18" Medium Contour 1:7.5" Twist Carbon Fiber.
Comparing 3 retailers carrying this product
Lowest Price: $887.00
Highest Price: $999.00
You Save: $112.00
Avg Discount: 0% off
Proof Research 128671 AR-Style 6mm ARC 18 in Black Carbon Fiber Finish 416R Stainless Steel Material Length with Threading & .750 in Gas Journal Diameter for AR-Platform, Rifle Barrel
Proof ResearchHinterland OutfittersSKU/UPC: 170112
$887.00
View at Hinterland Outfitters
Ar-15 6mm Arc Carbon Fiber Barrel - 6mm Arc 7.5 Twist 18'''' Carbon Fiber Barrel
Proof ResearchBrownellsSKU/UPC: 100046229
$949.00
View at BrownellsProof Research AR-15 Barrel 6mm ARC 18" Medium Contour 1:7.5" Twist Carbon Fiber
Proof ResearchMidwayUSASKU/UPC: 384897
$999.00
View at MidwayUSA