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Proof Research 128688 AR-Style Barrel Traditional 6mm ARC 18 AR Platform Stainless Steel Stainless Rifle Length with .750 Gas Journal
In StockSave 27%

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accessory

Last Seen

May 20, 2026

Proof Research 128688 AR-Style Barrel Traditional 6mm ARC 18 AR Platform Stainless Steel Stainless Rifle Length with .750 Gas Journal

Sold byBattleHawk Armory•Posted Apr 27, 2026
Compare prices for Proof Research AR-15 Barrel 6mm ARC 18" Heavy Contour 1:7.5" Twist Stainless

$543.38

$749.00

You save $205.62 (27% off)

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Proof Research 128688 AR-Style Barrel Traditional 6mm ARC 18 AR Platform Stainless Steel Stainless Rifle Length with .750 Gas Journal

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Lowest Price: $543.38

Highest Price: $649.00

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Proof Research 128688 AR-Style Barrel Traditional 6mm ARC 18 AR Platform Stainless Steel Stainless Rifle Length with .750 Gas Journal

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 Research AR-Style Barrel Stainless 6mm ARC 18 Barrel

Proof ResearchGrabAGunSKU/UPC: GAG_128688-126660
$570.99
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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 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 Research AR-Style 18'' 6mm ARC Stainless Barrel

Proof ResearchAmmunition DepotSKU/UPC: 128688
$580.49
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Ar-15 6mm Arc Stainless Steel Barrel - 6mm Arc 1-7.5 Twist 18'''' Stainless Steel Barrel

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 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 Research AR Style Barrel 6mm ARC 18 Stainless Threaded Rifle Length

Proof ResearchShooting SurplusSKU/UPC: 126660
$649.00
View at Shooting Surplus