Slr Rifleworks Sentry Gas Block .625 Adjustable Steel Clamp On

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Slr Rifleworks Sentry Gas Block .625 Adjustable Steel Clamp On - Gas Block for AR-15 - view 1
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SLR Rifleworks

Overview

The SLR Rifleworks Sentry Gas Block is an adjustable clamp-on gas block designed specifically for barrels with a .625 diameter. Its steel construction ensures durability, while the nitride finish provides enhanced corrosion resistance and longevity. This gas block allows builders to fine-tune their gas system for optimal performance, making it suitable for a variety of setups, particularly those requiring precise gas regulation in competition or tactical builds.

Specifications

MPNSA6-CM
Mounting TypeClamp-On
FinishNitride
AdjustableYes
Gas Block Diameter.625
MaterialSteel

Available Merchants(2)

Prices checked

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Optics Planet
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In Stock
$134.56
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Brownells
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Out of Stock
$130.32

Build history on GunPartPicker

Builders on GunPartPicker first added the Slr Rifleworks Sentry Gas Block .625 Adjustable Steel Clamp On to a build in August 2026.

It was in stock most days in October 2026, and today only Optics Planet has it in stock. It dipped to $130.32 at Brownells for a stretch in October 2026, under its usual $134.56, so sales do come around. Buying today, the lowest price is $134.56 at Optics Planet.

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