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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
Magpul MVG MOE Vertical Grip - Black
Streamlight ProTac Rail Mount HL-X 1000 Lumen Weapon Light with Tapeswitch
Radian Forward Assist - 7075 Aluminum - Black
Forward Assist
Geissele Automatics Super 42 Braided Buffer Spring and H2 Buffer
Buffer Assembly
Wilson Combat Ar-15 Billet Upper Receiver
Upper Receiver
Wilson Combat Ar-15 Rifle Length Gas Tube Stainless Steel
Aggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Magpul MVG MOE Vertical Grip - Black | 4 | |
| Streamlight ProTac Rail Mount HL-X 1000 Lumen Weapon Light with Tapeswitch | 4 | |
| Radian Forward Assist - 7075 Aluminum - Black | Forward Assist | 4 |
| Geissele Automatics Super 42 Braided Buffer Spring and H2 Buffer | Buffer Assembly | 3 |
| Wilson Combat Ar-15 Billet Upper Receiver | Upper Receiver | 3 |
| Wilson Combat Ar-15 Rifle Length Gas Tube Stainless Steel | 3 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 73.3% |
| .223 Wylde | 20% |
| .308 Win | 6.7% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 50% |
| Carbine | 35.7% |
| Rifle | 14.3% |
Builds in the community that include the Slr Rifleworks Sentry Gas Block .750 Adjustable Steel Set Screw
| Build | Parts | Total |
|---|---|---|
 | 22 | $1332.43 |
 | 37 | $6387.96 |
 | 9 | $1667.80 |
 | 25 | $2208.96 |
 | 18 | $1342.24 |
 | 13 | $2798.96 |
| 16 | $1882.88 |
 | 28 | $2331.55 |
| 14 | $2708.69 |
2 global ratings
tuned this on a 14.5 mid length with a YHM Turbo, took about 12 clicks from full open to lockback elimination unsuppressed. set screw clamp held position through 300 rds of suppressed fire, no drift
SLR Rifleworks Sentry adjustable gas block in .750 with set screw is a real quality of life improvement over a fixed block. Set screw adjustments are precise. Steel construction holds up to heat. Fits standard barrels under any free float rail.
