Proof Research
Overview
The Proof Research 308/7.62 20" 4+1 (Bolt) 136201 is a barrel. Compare prices from multiple merchants and find the best deal.
Specifications
Proof Research 308/7.62 20" 4+1 (Bolt) 136201
Available Merchants(5)
Prices checked
Price Alert
Build history on GunPartPicker
Builders on GunPartPicker first added the Proof Research 308/7.62 20" 4+1 (Bolt) 136201 to a build in April 2026.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 3 of the 5 retailers we track have it in stock. The best price drifted down from $7,160.99 to $6,050 over September 2026 without a real sale. Buying today, the lowest price is $6,050 at KY Gun Company, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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