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SLR Rifleworks
Overview
The SLR Rifleworks Sentry Gas Block is an adjustable gas block designed to fit a .750 diameter gas system, allowing for fine-tuning of gas flow to optimize the performance of your AR-15. Constructed from steel and finished with nitride for enhanced durability, it features a set screw mounting type that ensures secure installation. This gas block is particularly popular in mid-length gas system builds chambered in 5.56 NATO, providing builders with the flexibility needed for various shooting applications.
Based on build data

Radian Forward Assist - 7075 Aluminum - Black
Forward Assist
Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length
Gas Tube
Wilson Combat Ar-15 Billet Upper Receiver
Upper Receiver
Geissele Automatics Super 42 Braided Buffer Spring and H2 Buffer
Buffer Assembly
Rise Armament Ar-15 Magazine Release Button - Rise Red
Magazine Release
Spike's Tactical Dynacomp AK Brake 7.62x39 Left Hand Thread 14.1, Black - SAKD14M
Muzzle DeviceAggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Radian Forward Assist - 7075 Aluminum - Black | Forward Assist | 4 |
| Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length | Gas Tube | 3 |
| Wilson Combat Ar-15 Billet Upper Receiver | Upper Receiver | 3 |
| Geissele Automatics Super 42 Braided Buffer Spring and H2 Buffer | Buffer Assembly | 3 |
| Rise Armament Ar-15 Magazine Release Button - Rise Red | Magazine Release | 3 |
| Spike's Tactical Dynacomp AK Brake 7.62x39 Left Hand Thread 14.1, Black - SAKD14M | Muzzle Device | 3 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 71.4% |
| .223 Wylde | 21.4% |
| .308 Win | 7.1% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 50% |
| Carbine | 35.7% |
| Rifle | 14.3% |
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