Name: Faxon Firearms Adjustable 3 Screw Low Profile Gas Block
Brand: Faxon Firearms
SKU: 11I-RGB-ADJ3S
Price: 82.00 USD
Availability: InStock
Rating: 4.7 (18 reviews)

Faxon Firearms Adjustable 3 Screw Low Profile Gas Block, .625 inch, Black, GBA-LP-625-3

Faxon Firearms Adjustable 3 Screw Low Profile Gas Block, .750 inch, Black, GBA-LP-750-3

Faxon Firearms Adjustable 3 Screw Low Profile Gas Block, .625 inch, Black, GBA-LP-625-3

Government Export Restriction

This item may be regulated for export by the U.S. Department of State or the U.S. Department of Commerce. Please see our Export Policy prior to placing your order.

Product Videos

Faxon Adjustable Gas Block Overview 01:06

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Questions & Answers

Is this the block I would need for a proof research.223 wylde barrel? Manufacturer Answer

It will depend on the gas journal diameter of the Proof Research barrel. It's hard to say without all of the information on the barrel.

by Faxon Firearms, Manufacturer, March 4, 2026

Is the gas tube roll pin included? Manufacturer Answer

No, the roll pin for attaching the gas tube is not included. Generally, this pin is included with the gas tube.

by Faxon Firearms, Manufacturer, December 18, 2025

View All Q&A You Have a Question? Ask!

Customer Reviews

Helpful Positive Review

Works perfect by Bill, Verified Owner, June 17, 2026

Great quality gas block. Worked perfect gassing down my .223 Wylde after adding a suppressor- no more face full of smoke after each shot. Just used a long thin screw driver to adjust the gas down till the bolt wouldn't stay open, then moved it back o...
Read More...

1/1 found this helpful

Helpful Positive Review

Faxon adjustable gas block by Babayaga, Verified Owner, December 1, 2025

I have two, one on a DD UPPER and one on an aero upper, both of which I run suppressed. Over 2000 rounds through both gas blocks and no issues. Adjustment screw never moves due to recoil but never locks up due to carbon. I can’t recommend this enough...
Read More...

1/1 found this helpful

Helpful Positive Review

One of the most basic thing anyone could come up with and for some reason no one did until now by Chickenbooty91, Verified Owner, February 19, 2025

This is the only gas block you would need. Everything else is inferior. Believe me. Haven't shot enough yet to really test and see it's shortcomings but it's super promising.

2/5 found this helpful

Helpful Positive Review

Fits great on AR10 by Neil C, Verified Owner, October 29, 2025

Haven’t tested yet but so far fits and looks great. Gas tube can be a little difficult to install since the adjustable part of the gas block can slip off but it’s not to bad with the right tools.

1/2 found this helpful

Helpful Positive Review

Cleaner and easier by ShotDoc, Verified Owner, July 26, 2025

Much more easy to adjust, with 14 different positions. Also, importantly, this design fouls much less than others, and mounting is very easy and very secure with the three set screws across the bottom.

1/4 found this helpful

Helpful Positive Review

Great product by Faxon as always by Draeco, October 26, 2025

What else is there to say? It does what it describes. After 1000+ rounds, the adjustment screw did not move to another setting.

1/1 found this helpful

Read All 18 Reviews

In Stock

2 Models Available

Weight

All

Caliber

All

Gas Block Journal Size-Diameter

All

Weight:: 1.12 oz
Caliber:: Universal
Gas Block Journal Size-Diameter:: .750 in

Code: 11I-RGB-ADJ3S-GBA-LP-750-3

MPN: GBA-LP-750-3

UPC: 816341028265

List: ~~$89.00~~Save $7.00

$82.00

Weight:: 1.13 oz
Caliber:: .223 Remington, .300 AAC Blackout, 5.56x45mm NATO
Gas Block Journal Size-Diameter:: .625 in

Code: 11I-RGB-ADJ3S-GBA-LP-625-3

MPN: GBA-LP-625-3

UPC: 816341028272

List: ~~$89.00~~Save $7.00

$82.00

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Product Info for Faxon Firearms Adjustable 3 Screw Low Profile Gas Block

Take your AR15 to the next level with the patent pending Faxon Low-Profile Adjustable Gas Block, designed for unparalleled control and reliability. With a unique adjustment screw placement that prevents contact with gas port carbon, this gas block remains free from seizing or carbon fouling—ensuring consistent, hassle-free performance in any condition. Ideal for both suppressed and unsuppressed shooting, the Faxon Patent Pending Low-Profile Adjustable Gas Block offers precise adjustability to fine-tune your rifle’s cycling, recoil, and reliability. Built with rugged materials to withstand intense use, it’s the ultimate upgrade for AR15 enthusiasts who demand precision.

Specifications for Faxon Firearms Adjustable 3 Screw Low Profile Gas Block:

Manufacturer:	Faxon Firearms
Color:	Black
Fabric/Material:	4140 Steel, Steel
Gun Make:	AR Platform
Gun Model:	AR-10, AR-15
Condition:	New

Package Contents:

Patent Pending Anti-Fouling Design: The adjustment screw never contacts gas port carbon, so it remains clean and operational without risk of seizing.
Precision Adjustability: Control your gas flow to optimize your AR15’s performance under any shooting condition, with 14 tactile settings from fully open to fully closed.

Package Contents of Faxon Firearms Adjustable 3 Screw Low Profile Gas Block:

Faxon Firearms Adjustable 3 Screw Low Profile Gas Block

What firearm models does the manufacturer say Faxon Firearms Adjustable 3 Screw Low Profile Gas Block is compatible with?

The manufacturer suggests that Faxon Firearms Adjustable 3 Screw Low Profile Gas Block is compatible with AR-15, AR-10

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Faxon Firearms Adjustable 3 Screw Low Profile Gas Block Orderable Models

List of Orderable Models

Faxon Firearms Adjustable 3 Screw Low Profile Gas Block, .750 inch, Black, GBA-LP-750-3 , MPN: GBA-LP-750-3 , UPC: 816341028265 , Code: 11I-RGB-ADJ3S-GBA-LP-750-3
Faxon Firearms Adjustable 3 Screw Low Profile Gas Block, .625 inch, Black, GBA-LP-625-3 , MPN: GBA-LP-625-3 , UPC: 816341028272 , Code: 11I-RGB-ADJ3S-GBA-LP-625-3

Faxon Firearms Adjustable 3 Screw Low Profile Gas Block Unavailable & Discontinued Models

List of Unorderable Models

USED, Faxon Firearms Adjustable 3 Screw Low Profile Gas Block, .750 inch, Black, GBA-LP-750-3 , MPN: GBA-LP-750-3-EDEMO , Code: 11I-RGB-ADJ3S-GBA-LP-750-3-EDEMO-RE-B
USED, Faxon Firearms Adjustable 3 Screw Low Profile Gas Block, .625 inch, Black, GBA-LP-625-3 , MPN: GBA-LP-625-3-EDEMO , Code: 11I-RGB-ADJ3S-GBA-LP-625-3-EDEMO-RE-C
USED, Faxon Firearms Adjustable 3 Screw Low Profile Gas Block, .750 inch, Black, GBA-LP-750-3 , MPN: GBA-LP-750-3-EDEMO , Code: 11I-RGB-ADJ3S-GBA-LP-750-3-EDEMO-RE-A
USED, Faxon Firearms Adjustable 3 Screw Low Profile Gas Block, .750 inch, Black, GBA-LP-750-3 , MPN: GBA-LP-750-3-EDEMO , Code: 11I-RGB-ADJ3S-GBA-LP-750-3-EDEMO-OB-C
USED, Faxon Firearms Adjustable 3 Screw Low Profile Gas Block, .750 inch, Black, GBA-LP-750-3 , MPN: GBA-LP-750-3-EDEMO , Code: 11I-RGB-ADJ3S-GBA-LP-750-3-EDEMO-OB-A

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Product Info for Faxon Firearms Adjustable 3 Screw Low Profile Gas Block

Specifications for Faxon Firearms Adjustable 3 Screw Low Profile Gas Block:

Package Contents:

Package Contents of Faxon Firearms Adjustable 3 Screw Low Profile Gas Block:

What firearm models does the manufacturer say Faxon Firearms Adjustable 3 Screw Low Profile Gas Block is compatible with?

Faxon Firearms Adjustable 3 Screw Low Profile Gas Block Orderable Models

List of Orderable Models

Faxon Firearms Adjustable 3 Screw Low Profile Gas Block Unavailable & Discontinued Models

List of Unorderable Models