308 AR Stainless Steel Barrels - .308 AR 20" Hybrid Rifle, Stainless
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Criterion Barrels
Overview
The Criterion Barrels .308 AR Stainless Steel Barrel features a 20-inch length, optimized for precision and performance in .308 Winchester builds. Its stainless finish enhances durability and resistance to corrosion, making it ideal for a variety of conditions. This barrel is commonly found in carbine gas system builds, providing the necessary balance between reliability and accuracy for shooters looking to maximize their .308 platform's potential.
Specifications
308 AR Stainless Steel Barrels - .308 AR 20" Hybrid Rifle, Stainless
Build history on GunPartPicker
Builders have been adding the Criterion Barrels 308 AR Stainless Steel Barrels - .308 AR 20" Hybrid Rifle, Stainless to their builds on GunPartPicker since February 2026. All time, it ranks #197 of the 844 barrels builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today all 3 retailers we track have it in stock. Prices barely moved in September 2026, holding around $303.99, so there haven't been real sales lately. Buying today, the lowest price is $303.99 at Optics Planet, 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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