Lock Down Your Adjustable Gas Block
The SLR Rifleworks Sentry Adjustable Set-Screw Gas Block ensures that AR-15 shooters have the ability to fine-tune their gas system for optimum operation.
The SLR Rifleworks Sentry Adjustable Set-Screw Gas Block is constructed with a simple metering system that doesn't use springs or balls and is adjustable through the use of an included tool.
- Machined from 4140 steel
- Features QPQ Melonite finish
- Comes in .625, .750, .875 and .936 diameter sizes
The SLR Rifleworks Sentry Adjustable Set-Screw Gas Block is equipped with two set screws that lock the block into the barrel for an ideal gas seal.
Big Book Catalog, Issue:71, Page:017
Big Book Catalog, Issue:72, Page:022
Big Book Catalog, Issue:73, Page:024