Out of Stock
Type
parts
Last Seen
May 20, 2026
Proof Research AR-Style Barrel Stainless 6mm ARC 18 Barrel
Sold byGrabAGun•Posted Apr 27, 2026
Compare prices for Proof Research AR-15 Barrel 6mm ARC 18" Heavy Contour 1:7.5" Twist Stainless$570.99
Price and stock data refresh continuously from GrabAGun.
Deal Summary
- Currently marked out of stock.
- Category: parts
- UPC: 843068128688
- SKU: GAG_128688-126660
- Brand: Proof Research
Price History
Deal Details
AR-Style Barrel Features Proof Research s barrels exemplifies relentless pursuit of excellence. Whatever your preference is you can expect the finest rifle barrel in the industry. The Traditional Steel barrel is long-lasting and extreme pressure resistant. AR-Style Barrel Specifications Caliber: 6mm ARC Model: AR-Style Barrel Finish: Stainless Color: Stainless Material: Stainless Steel Sights: None Firearm Fit: AR-Platform Length: 18 Diameter: .750 Thread Pattern: 5 / 8-24 tpi Tw
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 ArmoryProof 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 Outfitters
Proof 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