Faxon Firearms 3 Screw Adjustable AR-15 Gas Block – 2 Sizes Available

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Backed by the Faxon Firearms Warranty!

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Faxon Firearms 3-Screw Adjustable Gas Block with Anti-Fouling Design

Features

Patent-pending anti-fouling design prevents adjustment screw carbon contact
Precision gas flow control with 14 tactile adjustment settings
3-screw mounting system for enhanced security and stability
Dual adjustment tool compatibility – 3/32″ Allen key or flathead screwdriver
Low-profile design for maximum handguard compatibility
Optimized for both suppressed and unsuppressed shooting
Carbon fouling resistant for consistent long-term performance
Rugged construction for intensive use applications

The Faxon Adjustable Gas Block solves the critical problem of gas system fouling that plagues traditional adjustable blocks, where carbon buildup causes adjustment screws to seize over time. Its revolutionary patent-pending design positions the adjustment mechanism away from gas port carbon, ensuring reliable operation even after thousands of rounds. This precision-engineered component allows shooters to optimize their AR-15’s cycling for different ammunition types, suppressor use, and environmental conditions while maintaining consistent performance that traditional gas blocks cannot match.

Specifications

Brand: Faxon Firearms
Model: 3-Screw Adjustable Gas Block
Type: Low-profile adjustable gas block
Mounting: 3 set screws
Length: 1 inch
Adjustment Range: 14 tactile settings (fully open to fully closed)
Adjustment Tools: 3/32″ Allen key or flathead screwdriver
Available Sizes:
- .750″ gas journal compatibility
- .625″ gas journal compatibility
Material: Steel construction
Finish: Black
Platform: AR-15

What’s Included?

1x Faxon Adjustable Gas Block (size as selected)
3x Set screws
1x Installation instructions

Products available on this page:

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

Faxon Firearms Warranty

We do understand that life happens and that often a purchase will need to be returned. Customers may return any product, for any reason, in line with the requirements & policies below.

For any errors on Faxon’s part, after notification from the customer, Faxon will dispatch a Fed-Ex Ground label for the return of the product. Upon receipt and inspection at Faxon, a replacement will be sent to the customer via Fed-Ex Ground with tracking information sent to the customer.

REQUIREMENTS

Faxon will only refund products purchased directly through Faxon Firearms.
If you purchased a product through one of Faxon’s authorized dealers and would like to return the product for a refund, you must contact the dealer for your refund.
Merchandise must be in new condition with original packaging
Merchandise must be return-shipped in a protective box
A full refund including shipping if the return resulted from our error, otherwise we will deduct the shipping costs from the refund.
All product replacements done under warranty can be handled by Faxon directly.
The customer will receive a refund within 10 business days of our receiving your return. The refund issued in the same form of payment used for purchase.
No return will be granted for a product that is modified in any way
No returns for refund after 30 days from the delivery date of the product.
There will be a 15% restocking fee on all returns.