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SLR Sentry 7 .750 Clamp On Adjustable Gas Block Up to $11.18 Off w/ Free S&H — 2 models

SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black 00810646034679
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Titanium 00810646034686
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black, SA7-CM
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black, SA7-CM
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black, SA7-CM
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black, SA7-CM
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black, SA7-CM
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black, SA7-CM
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black, SA7-CM
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Titanium, SA7-TI-C
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Titanium, SA7-TI-C
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Titanium, SA7-TI-C
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black 00810646034679
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SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black 00810646034679
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Titanium 00810646034686
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SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Titanium 00810646034686
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black, SA7-CM
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SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black, SA7-CM
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black, SA7-CM
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SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black, SA7-CM
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black, SA7-CM
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SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black, SA7-CM
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black, SA7-CM
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SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black, SA7-CM
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black, SA7-CM
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SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black, SA7-CM
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black, SA7-CM
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SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black, SA7-CM
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black, SA7-CM
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SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black, SA7-CM
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Titanium, SA7-TI-C
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SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Titanium, SA7-TI-C
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Titanium, SA7-TI-C
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SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Titanium, SA7-TI-C
SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Titanium, SA7-TI-C
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SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Titanium, SA7-TI-C

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Questions & Answers
Is the one that lists as titanium actually titanium, or is that just the finish? Expert Answer

The titanium SLR Sentry 7 .750 Clamp On Adjustable Gas Block is made from Grade 5 Titanium and weighs 0.8 oz. It features a Melonite finish 4140 Nexturn Swiss precision metering screw and Melonite finish 4140 detent plunger.

by Ethan, Gear Expert, March 11, 2022
If my barrel have a dimp in it can I still use this clamp on adjustable gas block Expert Answer

Yes, you would still be able to use it on a dimpled barrel.

by Tom B, Gear Expert, September 28, 2021
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Sentry 7 Adjustable Gas Block by Luke, December 10, 2020
Buy once, cry once, spend the money and get the SLR! I’ve used these set screw and clamp on models for multiple suppressed builds. SLR makes quality stuff and their customer service is top notch too. The fine tuning of these gas blocks with the great...
Read More...
1/1 found this helpful
Helpful Positive Review
Awesome Adjustable gas block by flippp002, Verified Owner, August 2, 2018
Installed this gas block on my 16" PSA barrel that was over gassed. The SLR Agj gas block really calmed my AR down. The clicks are positive and felt. Side note, if you buy a T-handle for adjustment under hand guard, it is a 2mm.
12/14 found this helpful
Helpful Positive Review
Rugged, reliable, excellent by Rob K., Verified Owner, July 2, 2019
I use SLR's Sentry adjustable blocks (almost) exclusively for my project builds for the last several years. Unlike some other adjustable blocks, no messing about with double set screws, single set screws, impossible or difficult to access adjustments...
Read More...
1/1 found this helpful
Helpful Positive Review
Excellent Adjustable Gas Block by Chase OBrien, Verified Owner, October 23, 2018
I’ve ordered and installed 2 of these blocks now, and I love them. The first one went on a DPMS LR-308T (16” carbine gas), which is extremely over-gassed. The fact that they can be easily disassembled for cleaning and/or maintenance (if it’s ever ne...
Read More...
1/1 found this helpful
Helpful Positive Review
SLR Sentry 7 adjustable gas block by CHINO, August 21, 2018
Awesome product and good delivery service. This Sentry 7 Is the second one that I have purchased. It functions flawlessly and once it has been tuned to your rifles gas pressure. It is very reliable and consistent.
1/1 found this helpful
Most Recent Reviews
SLR Adjuatable Gas Block by Thomas Hoffman, Verified Owner, October 2, 2025
Not a bad gas block. No carbon lock on set screw after 400 to 500 rounds. Lightweight. A bit over priced for no more than it is.
Read All 12 Reviews
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Product Info for SLR Sentry 7 .750 Clamp On Adjustable Gas Block

Easy-to-install and easy-to-use the SLR Sentry 7 Adjustable Gas Block offers superior tactical feedback for the price. These AR Gas Blocks from the innovators at SLR feature a single tool click to adjust gas metering. With a 15-position adjustability the SLR .750in Adjustable Gas Block is quick to fine-tune to your specific build. Take your next modification from standard to extraordinary with a SLR Clamp On Adjustable Gas Block.image

Specifications for SLR Sentry 7 .750 Clamp On Adjustable Gas Block:

Manufacturer: SLR
Coating: Melonite QPQ Finish
Size: 0.75
Caliber: .750 Nitro Express
Gun Make: AR Platform
Condition: New
Gas System Type: Direct Impingement

SLR Sentry 7 Adjustable Gas Block, 39E-RGB-SLRSEN7CLMP

  • 15-position adjustability from 0 - .125" 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 Precision machined gas block
  • Melonite finish 4140 Nexturn Swiss precision metering screw
  • Proprietary Alloy Flat Spring with 1400deg temper
  • Melonite finish 4140 detent plunger
  • USES STANDARD GAS TUBE

Package Contents:

  • SLR Sentry 7 .750 Clamp On Adjustable Gas Block, 39E-RGB-SLRSEN7CLMP
  • Tool
  • Roll pin
  • Mounting screws

SLR Sentry 7 .750 Clamp On Adjustable Gas Block Orderable Models

List of Orderable Models

  • SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Titanium, SA7-TI-C , MPN: SA7-TI-C , UPC: 2303230 , Code: 39E-RGB-SLRSEN7CLMP-SA7-TI-C
  • SLR Sentry 7 .750 Clamp On Adjustable Gas Block, Black, SA7-CM , MPN: SA7-CM , Code: 39E-RGB-SLRSEN7CLMP-SA7-CM
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