Double Star .625" Picatinny Gas Block
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DoubleStar
Overview
The Double Star .625" Picatinny Gas Block is designed to fit a .625-inch diameter barrel and features a railed profile for easy attachment to your Picatinny rail system. Crafted from aluminum, this gas block provides a lightweight solution while ensuring reliable gas flow for your firearm. This component is often found in carbine gas system builds chambered in 5.56 NATO, making it a practical choice for those looking to enhance their AR-15 setup.
Specifications
Build history on GunPartPicker
Builders have been adding the DoubleStar Double Star .625" Picatinny Gas Block to their builds on GunPartPicker since February 2026. All time, it ranks #77 of the 202 gas blocks builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 2 of the 3 retailers we track have it in stock. Prices barely moved in September 2026, holding around $31.99, so there haven't been real sales lately. Buying today, the lowest price is $31.99 at BattleHawk Armory, 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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