SLR Sentry 6 .625 Adjustable Gas Block w/.400 in. Set Screw Spacing Titanium

Name: SLR Sentry 6 .625 Adjustable Gas Block w/.400 in. Set Screw Spacing Titanium
Brand: Slr
Availability: InStock

Slr · Gas System

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Best price

$212.46at OpticsPlanet

In stock Sale checked Nov 10, 2026

Buy at OpticsPlanet

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Where to buy

Store	Price	Availability	Buy
OpticsPlanet Best price	$212.46Salechecked Nov 10, 2026	In stock	Buy at OpticsPlanet
AR15Discounts	$212.46checked Nov 10, 2026	Check store	Buy at AR15Discounts
Dirty Bird	$212.46checked Nov 10, 2026	Check store	Buy at Dirty Bird

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

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Lowest in-stock price in the last 30 days: $212.46 at OpticsPlanet. Dashed line = out of stock. Tracking since Oct 26, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
AR15Discounts	$212.46	$212.46	$212.46
Dirty Bird	$212.46	$212.46	$212.46
OpticsPlanet	$212.46	$212.46	$212.46

Since Oct 26, 2026.

About this part

The SLR Sentry 6 .625 Adjustable Gas Block w/.400 in. Set Screw Spacing Titanium is a gas system part from Slr. It's sold by 3 stores, all at $212.46. The lowest in-stock price in the last 30 days was $212.46 at OpticsPlanet.

Fits and works with

Gas block: 0.625" diameter · Gas blocks

Specifications

Manufacturer: Slr
Size: .625
Material: Titanium

From the manufacturer

SLR Sentry 6 .625 Adjustable Gas Block w/.400 in. Set Screw Spacing Titanium. 400 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/.400 in. Set Screw Spacing: Manufacturer: SLR Coating: Melonite QPQ Finish Gas Block Journal Size-Diameter: .625 in Gun Make: AR Platform Additional Features: w/.400 in. Set Screw Spacing Gas System Type: Direct Impingement Features of SLR Sentry 6 .625 Adjustable Gas Block w/.400 in. Set Screw Spacing: .400 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/.400 in. Set Screw Spacing SLR SA6-TI-S: Sentry 6 .625 Adjustable Gas Block w/.400 in. Set Screw Spacing Titanium