SLR Rifleworks

Slr Rifleworks Sentry Gas Block .875 Adjustable Titanium Set Screw

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Slr Rifleworks Sentry Gas Block .875 Adjustable Titanium Set Screw - Gas Block for AR-15 - view 1
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SLR Rifleworks

Overview

The SLR Rifleworks Sentry Gas Block is an adjustable gas block designed for a .875 diameter, allowing precise tuning of gas flow to optimize performance for your specific build. Made from titanium, it offers a lightweight yet durable solution, and its set screw mounting type ensures a secure fit on your barrel. This gas block is commonly found in pistol builds chambered in 5.56 NATO, making it a great choice for those looking to enhance the reliability and adjustability of their gas system.

Specifications

MPNSA8-TI-S
MaterialTitanium
Mounting TypeSet Screw
Gas Block Diameter.875
AdjustableYes

Available Merchants(2)

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$208.84
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Optics Planet
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$219.44
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Build history on GunPartPicker

Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, but today none of the 2 retailers we track has it in stock right now. Prices barely moved in October 2026, holding around $208.47, with no real sale all month. Listed prices start at $208.84 at Brownells for when it comes back.

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Builds Featuring This Part

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Builds in the community that include the Slr Rifleworks Sentry Gas Block .875 Adjustable Titanium Set Screw

BuildPartsTotal
carbine 11.5" build
carbine 11.5"		10$4094.91
Franklin armory 11.5" 5.56 build
Franklin armory 11.5" 5.56		36$18617.07

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