In Stock
Type
parts
Last Seen
May 21, 2026
Proof Research AR-Style 18'' 6mm ARC Stainless Barrel
Sold byAmmunition Depot•Posted Apr 27, 2026
Compare prices for Proof Research AR-15 Barrel 6mm ARC 18" Heavy Contour 1:7.5" Twist Stainless$580.49
Price and stock data refresh continuously from Ammunition Depot.
Deal Summary
- Currently in stock.
- Category: parts
- UPC: 843068128688
- SKU: 128688
- Brand: Proof Research
Price History
Deal Details
Crafted for precision and durability the Proof Research AR-Style 18'' 6mm ARC Stainless Barrel is designed to elevate your shooting experience. This exceptional rifle barrel features a sleek stainless finish ensuring resilience under extreme conditions. Engineered with a 1:7.50" twist rate it offers superior stability and accuracy for competitive shooting or hunting. The threaded design provides versatility for attachments while the 18'' length optimizes performance for AR-style firearms. Ch
Other Offers for This Product
Active offers from your catalog for Proof Research AR-15 Barrel 6mm ARC 18" Heavy Contour 1:7.5" Twist Stainless.
Comparing 7 retailers carrying this product
Lowest Price: $543.38
Highest Price: $649.00
You Save: $105.62
Avg Discount: 4% off
Proof Research 128688 AR-Style Barrel Traditional 6mm ARC 18 AR Platform Stainless Steel Stainless Rifle Length with .750 Gas Journal
Proof ResearchBattleHawk ArmorySKU/UPC: 843068128688
$543.38$749.00Save 27%
View at BattleHawk Armory
Proof Research AR-Style Barrel Stainless 6mm ARC 18 Barrel
Proof ResearchGrabAGunSKU/UPC: GAG_128688-126660
$570.99
View at GrabAGun
Proof Research 128688 AR-Style 6mm ARC 18 in Stainless Steel Finish & Material Length with Threading & .750 in Gas Journal Diameter for AR-Platform, Rifle Barrel
Proof ResearchHinterland OutfittersSKU/UPC: 170113
$572.00
View at Hinterland OutfittersProof Research AR-Style 18'' 6mm ARC Stainless Barrel
Proof ResearchAmmunition DepotSKU/UPC: 128688
$580.49
View at Ammunition Depot
Ar-15 6mm Arc Stainless Steel Barrel - 6mm Arc 1-7.5 Twist 18'''' Stainless Steel Barrel
Proof ResearchBrownellsSKU/UPC: 430105958
$649.00
View at Brownells
Proof Research AR-15 Barrel 6mm ARC 18" Heavy Contour 1:7.5" Twist Stainless
Proof ResearchMidwayUSASKU/UPC: 938021
$649.00
View at MidwayUSA
Proof Research AR Style Barrel 6mm ARC 18 Stainless Threaded Rifle Length
Proof ResearchShooting SurplusSKU/UPC: 126660
$649.00
View at Shooting Surplus