Cross Machine Tool J.A.G. Gas Block - .750" - Set Screw Style

Name: Cross Machine Tool J.A.G. Gas Block - .750" - Set Screw Style
Brand: CMT

CMT · Gas System

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Cross Machine Tool J.A.G. Gas Block - .750" - Set Screw Style

Best price

$24.95at AR15Discounts

checked Nov 13, 2026

Buy at AR15Discounts

Compare 2 stores

Fits and works with

Gas block: 0.75" diameter · Gas blocks

Specifications

Manufacturer: CMT
Size: .750
Material: Steel

Where to buy

Store	Price	Availability	Buy	Add to build
AR15Discounts Best price 5% off	$24.95checked Nov 13, 2026	Check store	Buy at AR15Discounts
Dirty Bird	$27.50checked Nov 13, 2026	Check store	Buy at Dirty Bird

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

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Dashed line = out of stock. Tracking since Oct 28, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
AR15Discounts	$24.95	$24.95	$24.95
Dirty Bird	$27.50	$27.50	$27.50

Since Oct 28, 2026.

About this part

The Cross Machine Tool J.A.G. Gas Block - .750" - Set Screw Style is a gas system part from CMT. It's sold by 2 stores, from $24.95 to $27.50.

From the manufacturer

The Just A Gas Block line of gas blocks provide a high quality, affordable component that is beautifully machined and finished. The J.A.G. is a low-profile AR-15/10 gas block compatible with most handguards on the market. J.A.G. gas blocks feature a completed through hole instead of a blind gas tube hole to ensure future trouble free replacement of worn gas tubes. Features: Gas seat diameter: .750" Includes (2) set screws, (1) gas tube roll pin Stress proof steel Black Nitride finished Weight: 1.3 oz Made in the U.S.A. Cross Machine Tool Co., utilizing the latest machining technologies, offers high quality products that you'll be excited to own.