SLR Sentry 8 .875 Clamp On Adjustable Gas Block Black
$141.64 at OpticsPlanet
In stock Sale
SLR Sentry 6 .625 Adjustable Gas Block w/.450 in. Set Screw Spacing Black
No ratings yetBest price
$141.64at OpticsPlanet
In stock Sale checked Oct 13, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $141.64Salechecked Oct 13, 2026 | In stock | Buy at OpticsPlanet |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Price history
Lowest in-stock price in the last 30 days: $141.64 at OpticsPlanet. Dashed line = out of stock. Tracking since Oct 12, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $141.64 | $141.64 | $141.64 |
Since Oct 12, 2026.
About this part
The SLR Sentry 6 .625 Adjustable Gas Block w/.450 in. Set Screw Spacing Black is a gas system part from Slr. One store lists it, OpticsPlanet at $141.64. The lowest in-stock price in the last 30 days was $141.64 at OpticsPlanet.
Fits and works with
- Gas block
- 0.625" diameter · Gas blocks
Specifications
- Manufacturer
- Slr
- Color
- Black
- Size
- .625
- Material
- Steel
From the manufacturer
SLR Sentry 6 .625 Adjustable Gas Block w/.450 in. Set Screw Spacing Black. 450 inch Set Screw Spacing. Note- If you have a barrel with no dimple or one dimple under the gas port either our .400 or .450 set screw spacing blocks will work fine. There is no difference in the blocks just the front set screw location. 15-position adjustability from 0 - 0.125 inch port opening. Metering screw and screw bore design allows repeatability and reliability only SLR has been able to deliver. Single tool click to adjust gas metering. Melonite finish 4140 Nexturn Swiss precision metering screw. Proprietary Alloy Flat Spring with 1400deg temper. Melonite finish 4140 detent plunger. USES STANDARD GAS TUBE. Works with ALL AR15/AR10 Handguards. Included Accessories: Tool roll pin and mounting screws Specifications for SLR Sentry 6 .625 Adjustable Gas Block w/.450 in. Set Screw Spacing: Manufacturer: SLR Color: Black Coating: Melonite QPQ Finish Fabric/Material: Steel Gas Block Journal Size-Diameter: .625 in Gun Make: AR Platform Weight: 1.3 oz Additional Features: w/.450 in. Set Screw Spacing Condition: New Gas System Type: Direct Impingement Features of SLR Sentry 6 .625 Adjustable Gas Block w/.450 in. Set Screw Spacing: .450 inch Set Screw Spacing. Note- If you have a barrel with no dimple or one dimple under the gas port either our .400 or .450 set screw spacing blocks will work fine There is no difference in the blocks just the front set screw location. 15-position adjustability from 0 - 0.125 inch port opening. Metering screw and screw bore design allows repeatability and reliability only SLR has been able to deliver. Single tool click to adjust gas metering. Melonite finish 4140 Nexturn Swiss precision metering screw. Proprietary Alloy Flat Spring with 1400deg temper. Melonite finish 4140 detent plunger. USES STANDARD GAS TUBE. Works with ALL AR15/AR10 Handguards. Included Accessories: Tool roll pin and mounting screws Package Contents: SLR Sentry 6 .625 Adjustable Gas Block w/.450 in. Set Screw Spacing SLR SA6-450-SM: Sentry 6 .625 Adjustable Gas Block w/.450 in. Set Screw Spacing Black
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