Proof Research

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

Best price $546.24 at Ammunition Depot with code USACARRY5 ~~$574.99~~ across 6 retailers

Category: Accessory
MPN: 128664
UPC: 00843068128664

Price comparison

RetailerPriceStock
Ammunition Depot $546.24 ~~$574.99~~ with code USACARRY5 In stock Updated 13 hours ago
BattleHawk Armory $572.25 ~~$749.00~~ In stock Updated 13 hours ago
GrabAGun $579.99 In stock Updated 13 hours ago
MidwayUSA $649.00 In stock Updated 15 hours ago
Palmetto State Armory $649.99 ~~$721.99~~ In stock Updated 13 hours ago
Brownells $649.00 Out of stock Updated 13 hours ago

Prices pulled from retailer feeds and may change. We may earn a commission on purchases made through these links.

Price history

Current best $574.99All-time low $479.99 (Jul 23, 2025)Highest $673.99