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SLR Sentry 6 .625 Clamp On Adjustable Gas Block Up to $11.18 Off w/ Free Shipping — 2 models

Special offer available for this product. Click here to see!
SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black 00810646034617
SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Titanium 00810646034624
SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM
SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM
SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM
SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM
SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM
SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM
SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM
SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black 00810646034617
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SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black 00810646034617
SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Titanium 00810646034624
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SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Titanium 00810646034624
SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM
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SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM
SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM
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SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM
SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM
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SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM
SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM
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SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM
SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM
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SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM
SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM
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SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM
SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM
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SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM

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Questions & Answers
What’s ID of the .625 clamp on? I didn’t see it listed. Expert Answer

The Sentry 6 Clamp On Adjustable Gas Block is a 0.625" adjustable, clamp on, gas block. It has a 15 position adjustability between 0" - .125" port opening.

by Ethan, Gear Expert, March 16, 2022
What size is the hex / Allen wrench to adjust it ? Expert Answer

SLR Rifleworks does not state the specific size of the Melonite finish, 4140 Nexturn Swiss precision metering screw. However, the correct tool to adjust the gas block will be included as well as a roll pin and mounting screws.

by Ethan, Gear Expert, March 16, 2022
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review Worth every penny by Tiger, December 6, 2018
I was hesitant to spend so much at first, but am now thrilled that I spent the extra money. Great product, easy to adjust, and if your rail is not ridiculously long, you can adjust it with the rail on.
1/1 found this helpful
Helpful Negative Review weighs significantly more than adversitied by avery, Verified Owner, March 12, 2021
weighs 26-27 grams or .88-92 oz very confused how they messed up weighing something i would not have paid as much as i did if i knew i was only saving .3 oz vs .5-.6 looking to get my money back i feel scammed
3/13 found this helpful
Most Recent Reviews Great option for those wanting a lighter recoiling lightweight AR by Dave, Verified Owner, June 1, 2025
I have been pursuing the "perfect" lightweight AR build. Lightweight builds often come with a drawback of heavier recoil, but adjusting the gas can reduce this tendency. All of the lightest weight (pencil) barrels use the 0.625" gas block journal. Se...
Read More...
Most Recent Reviews weights more than 0.7 by avery, Verified Owner, March 12, 2021
it seems well built, i was intially pretty pissed it was .9ish instead of .7 but it seems good enough so far, will update with resulted after i get the rifle put together may just not be worth it at 0.9 when i was .7 it was far lighter than anything...
Read More...
0/5 found this helpful
Most Recent Reviews Light and built sturdy by Jon, Verified Owner, January 29, 2021
if you want a lighter adjustable gas block you cant beat this guy. It weighs nothing and works perfectly. Even if you don't care about build weight the sheer function of the device is perfect. 15 clicks that are tactile and easy to get to make this a...
Read More...
Most Recent Reviews Ultralight weight, but built with quality in mind by Mark, Verified Owner, January 9, 2021
I have tried a few different gas block brands, Seekins / Strike Inds / SA. They all have their place but they are all not as nice as this SLR block. Clicks are crisp and easy to track. fit to barrel was good. Gas tube fitting was also good. I foun...
Read More...
Read All 8 Reviews
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Product Info for SLR Sentry 6 .625 Clamp On Adjustable Gas Block

Features/Specifications:image

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.

WORKS WITH ALL AR15/AR10 HANDGUARDS.

Included Accessories:

Tool, roll pin and mounting screws

Specifications for SLR Sentry 6 .625 Clamp On Adjustable Gas Block:

Manufacturer: SLR
Coating: Melonite QPQ Finish
Gas Block Journal Size-Diameter: .625 in
Gun Make: AR Platform
Condition: New
Gas System Type: Direct Impingement

Features of SLR Sentry 6 .625 Clamp On Adjustable Gas Block:

  • 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.
  • WORKS WITH ALL AR15/AR10 HANDGUARDS.
  • Included Accessories:
  • Tool
  • roll pin and mounting screws

Package Contents:

  • SLR Sentry 6 .625 Clamp On Adjustable Gas Block

SLR Sentry 6 .625 Clamp On Adjustable Gas Block Orderable Models

List of Orderable Models

SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM , MPN: SA6-CM , Code: 39E-RGB-SLRSEN6CLMP-SA6-CM
SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Titanium, SA6-TI-C , MPN: SA6-TI-C , Code: 39E-RGB-SLRSEN6CLMP-SA6-TI-C

SLR Sentry 6 .625 Clamp On Adjustable Gas Block Unavailable & Discontinued Models

List of Unorderable Models

USED, SLR Sentry 6 .625 Clamp On Adjustable Gas Block, Black, SA6-CM , MPN: SA6-CM-EDEMO , Code: 39E-RGB-SLRSEN6CLMP-SA6-CM-EDEMO-IN-B
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