SLR Rifleworks Sentry Adjustable Set-Screw Gas Block .625
User Ratings
No ratings yet
Be the first to review this product
SLR Rifleworks Sentry Adjustable Set-Screw Gas Block. AR-15 gas block with a simple metering system that doesn't use springs or balls and is adjustable with the included tool. Machined from 4140 steel with a QPQ Melonite finish. Available in diameters: .625, .750, .875 and .936.
Specifications
- Manufacturer:
- SLR Rifleworks
- Category:
- gas-block
- Platforms:
- AR-15, AR-10
- Weight:
- 1.3 oz
- UPC:
- 810646034631
- MPN:
- SA6-SM
- Required Component:
- Yes
Parts Cabinet
Track parts you own or plan to buy.
Where to Buy
Have one to sell?
Sponsored
MantisX
The smart way to train your AR build
Built your rifle — now train it. BlackBeardX installs in minutes and turns your AR into a full dry fire system with smart feedback on every pull.
Shop BlackBeardXPrice History
Current
$141.64
Lowest
$130.32
Highest
$141.64
Price Alert
Sign in to save a target price and receive an email when this component drops.
Sign In to Set AlertBundle Package
This is a bundled product that includes multiple components. The exact contents may vary - check the product description for more details.
• Complete assembly ready to use
• Multiple components included
• Value package pricing
Similar Products
AR-Stoner .750 Adjustable Low Profile Set Screw Gas Block, Gen 3, AR-15/LR-308 (MAR001S-ADJ-G3)
AR-Stoner
$26.57
Aero Precision Adjustable .750 Low Profile Gas Block (APRH101614C)
Aero Precision
$55.79
Aero Precision .750 Low Profile Gas Block (APPG100530)
Aero Precision
$28.00
Superlative Arms Bleed Off Clamp On Adjustable Low Profile Gas Block AR-15, LR-308 0.750" Black Melonite
Superlative Arms
$72.55
BCM Low Profile Gas Block, .625, Phosphate (BCM-LGB-625)
Bravo Company Manufacturing (BCM)
$38.54
Daniel Defense .750 Low Profile Clamp-On Gas Block (25-079-05006)
Daniel Defense
$50.00
Superlative Arms Solid Set Screw Direct Impingement Adjustable Gas Block 0.75" x 1", Tan
Superlative Arms
$89.99
BCM .750" Low Profile Gas Block, Black Phosphate (LGB-750)
Bravo Company Manufacturing (BCM)
$42.50
Builds Using This Part
No builds yet — be the first to use this part.
Related Guides
Guide
AR-10 Barrel Length, Gas System, and Intended Use
How AR-10 barrel length and gas system choices affect weight, recoil, and role fit for hunting, precision, and general-purpose rifles.
3 min read
Guide
AR-15 Components: A Complete Reference Guide
A comprehensive overview of every major component in an AR-15 build—including what's inside bolt carrier groups and parts kits—organized by assembly for new builders.
12 min read
Guide
AR-15 Malfunction Diagnosis: Reading What Your Rifle Is Telling You
A systematic guide to diagnosing AR-15 malfunctions (failure to feed, failure to extract, failure to eject, and double feeds) with root causes and how to isolate them.
7 min read