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parts
Last Seen
May 19, 2026
Proof Research AR-Type Barrel 16" for AR-Style - Stainless Steel - 128664
Sold byPalmetto State Armory•Posted May 18, 2026
Compare prices for Proof Research AR-15 Barrel 6mm ARC 16" Heavy Contour 1:7.5" Twist Stainless$649.99
$721.99
You save $72.00 (10% off)
Price and stock data refresh continuously from Palmetto State Armory.
Deal Summary
- Currently in stock.
- Category: parts
- UPC: 843068128664
- SKU: 51655146049
- Brand: Proof Research
Price History
Deal Details
Our primary focus has been on elevating the performance and reliability of the AR platform through innovative barrel design. We've achieved this by introducing the caliber matched gas system (CAMGAS), which allows us to precisely adjust the gas system for each cartridge and barrel length. While the AR-15 and AR-10 were initially designed for 223REM, 5.56x45mm, 308 win/7.62 NATO rounds, the introduction of higher-performance options like the 22 Nosler and 6.5 Creedmoor has resulted In increased b
Other Offers for This Product
Active offers from your catalog for Proof Research AR-15 Barrel 6mm ARC 16" Heavy Contour 1:7.5" Twist Stainless.
Comparing 7 retailers carrying this product
Lowest Price: $569.63
Highest Price: $649.99
You Save: $80.36
Avg Discount: 5% off
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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$569.63$749.00Save 24%
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Proof Research 16'' 6mm ARC Stainless AR-Style Barrel
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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
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Ar-15 6mm Arc Stainless Steel Barrel - 6mm Arc 1-7.5 Twist 16'''' Stainless Steel Barrel
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Proof Research AR-15 Barrel 6mm ARC 16" Heavy Contour 1:7.5" Twist Stainless
Proof ResearchMidwayUSASKU/UPC: 977766
$649.00
View at MidwayUSAProof 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