SLR Sentry 8 .875 Clamp On Adjustable Gas Block Black

Name: SLR Sentry 8 .875 Clamp On Adjustable Gas Block Black
Brand: Slr
Availability: InStock

Slr · Gas System

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Best price

$141.64at OpticsPlanet

In stock Sale checked Oct 13, 2026

Buy at OpticsPlanet

Where to buy

Store	Price	Availability	Buy	Add to build
OpticsPlanet	$141.64Salechecked Oct 13, 2026	In stock	Buy at OpticsPlanet

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Price history

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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 8 .875 Clamp On Adjustable Gas Block 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: 0.875" diameter · Gas blocks

Specifications

Manufacturer: Slr
Color: Black
Size: .875
Material: Steel

From the manufacturer

SLR Sentry 8 .875 Clamp On Adjustable Gas Block Black. 400 inch Set Screw Spacing. 15-position adjustability from 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 Included Accessories: Tool roll pin and mounting screws Specifications for SLR Sentry 8 .875 Clamp On Adjustable Gas Block: Manufacturer: SLR Color: Black Coating: Melonite QPQ Finish Fabric/Material: Steel Gas Block Journal Size-Diameter: .875 in Gun Make: AR Platform Weight: 1.7 oz Gas System Type: Direct Impingement Features of SLR Sentry 8 .875 Clamp On Adjustable Gas Block: .400 inch Set Screw Spacing. 15-position adjustability from 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 Included Accessories: Tool roll pin and mounting screws Package Contents: SLR Sentry 8 .875 Clamp On Adjustable Gas Block SLR SA8-CM: Sentry 8 .875 Clamp On Adjustable Gas Block Black