SLR Sentry 6 .625 Adjustable Gas Block w/.450 in. Set Screw Spacing Black
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SLR Rifleworks
Overview
The SLR Sentry 6 .625 Adjustable Gas Block is designed for builders who want precise control over gas flow in their AR-15 builds. With its adjustable feature, you can fine-tune the gas settings to optimize performance for different ammunition types or suppressors, ensuring reliable cycling and reduced recoil. This gas block fits a .625 diameter barrel and utilizes a set screw mounting type for secure installation. It's commonly found in builds that prioritize versatility and adaptability, particularly those that may incorporate suppressors or varied ammunition.
Specifications
SLR Sentry 6 .625 Adjustable Gas Block w/.450 in. Set Screw Spacing Black
Price and stock
The SLR Sentry 6 .625 Adjustable Gas Block w/.450 in. Set Screw Spacing Black was hard to find in August 2026, in stock on only 6 of the 11 days we checked, and today the one retailer we track has it in stock. Prices barely moved in August 2026, holding around $141.64, so there haven't been real sales lately. Buying today, the lowest price is $141.64 at Optics Planet, which matches the best price we saw in August.
Prices checked · refreshed daily across 35 retailers
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