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Proof Research 128664 AR-Style Barrel Traditional 6mm ARC 16 AR Platform Stainless Steel Stainless Rifle Length with .750 Gas Journal
In StockSave 24%

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accessory

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May 20, 2026

Proof Research 128664 AR-Style Barrel Traditional 6mm ARC 16 AR Platform Stainless Steel Stainless Rifle Length with .750 Gas Journal

Sold byBattleHawk Armory•Posted May 2, 2026
Compare prices for Proof Research AR-15 Barrel 6mm ARC 16" Heavy Contour 1:7.5" Twist Stainless

$569.63

$749.00

You save $179.37 (24% off)

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Proof Research 128664 AR-Style Barrel Traditional 6mm ARC 16 AR Platform Stainless Steel Stainless Rifle Length with .750 Gas Journal

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Lowest Price: $569.63

Highest Price: $649.99

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Proof Research 128664 AR-Style Barrel Traditional 6mm ARC 16 AR Platform Stainless Steel Stainless Rifle Length with .750 Gas Journal

Proof Research 128664 AR-Style Barrel Traditional 6mm ARC 16 AR Platform Stainless Steel Stainless Rifle Length with .750 Gas Journal

Proof ResearchBattleHawk ArmorySKU/UPC: 843068128664
$569.63$749.00Save 24%
View at BattleHawk Armory
Proof Research Traditional AR-Style Barrel Stainless 6mm ARC 16 Barrel

Proof Research Traditional AR-Style Barrel Stainless 6mm ARC 16 Barrel

Proof ResearchGrabAGunSKU/UPC: GAG_128664-126659
$570.99
View at GrabAGun
Proof Research 16'' 6mm ARC Stainless AR-Style Barrel

Proof Research 16'' 6mm ARC Stainless AR-Style Barrel

Proof ResearchAmmunition DepotSKU/UPC: 128664
$580.49
View at Ammunition Depot
Proof Research 128664 AR-Style 6mm ARC 16 in Stainless Steel Finish & Material Length with Treading & .750 in Gas Journal Diameter for AR-Platform, Rifle Barrel

Proof Research 128664 AR-Style 6mm ARC 16 in Stainless Steel Finish & Material Length with Treading & .750 in Gas Journal Diameter for AR-Platform, Rifle Barrel

Proof ResearchHinterland OutfittersSKU/UPC: 170111
$581.00
View at Hinterland Outfitters
Ar-15 6mm Arc Stainless Steel Barrel - 6mm Arc 1-7.5 Twist 16'''' Stainless Steel Barrel

Ar-15 6mm Arc Stainless Steel Barrel - 6mm Arc 1-7.5 Twist 16'''' Stainless Steel Barrel

Proof ResearchBrownellsSKU/UPC: 430105957
$649.00
View at Brownells
Proof Research AR-15 Barrel 6mm ARC 16" Heavy Contour 1:7.5" Twist Stainless

Proof Research AR-15 Barrel 6mm ARC 16" Heavy Contour 1:7.5" Twist Stainless

Proof ResearchMidwayUSASKU/UPC: 977766
$649.00
View at MidwayUSA
Proof Research AR-Type Barrel 16" for AR-Style - Stainless Steel - 128664

Proof Research AR-Type Barrel 16" for AR-Style - Stainless Steel - 128664

Proof ResearchPalmetto State ArmorySKU/UPC: 51655146049
$649.99$721.99Save 10%
View at Palmetto State Armory