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AR Gas Block Assembly

CMMG
.625" Low profile gas block, includes installation screws. Made of 4140 moly chrome. Replace your A2 site with this gas block or add a free float rail system to cover your gas block.
$29.99
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AR Gas Block Assembly

CMMG
.750 Low profile gas block, includes installation screws. Made of 4141 Chrome Moly Steel. Use this assembly to customize your AR with a free floating rail system.
$29.99
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AR Gas Block Assembly

CMMG
.936" Low profile gas block, includes installation screws. Made of 4142 chrome moly steel.
$29.99
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Gas Block

Yankee Hill Machine Co
The YHM gas block replaces your existing front sight to provide a simple, low profile design that can be used to mount a rifle length forearm to a carbine length barrel. It is mounted by the use of two clamping screws. It is manufactured from high quality steel, finished with a mil. spec. phosphate coating. It is 0.95" in length and has a bore diameter of .75".
$28.99
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Gas Block

Yankee Hill Machine Co
The YHM gas block replaces your existing front sight to provide a simple, low profile design that can be used to mount a rifle length forearm to a carbine length barrel. It is mounted by the use of two set screws. It is manufactured from high quality steel, finished with a mil. spec. phosphate coating. It is 0.95" in length and has a bore diameter of .75".
$20.99
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Adj Lo Gas Block .75"

Wilson Combat
Wilson Combat's Adjustable AR Gas Block replaces a standard AR gas block and allows you to tune your direct impingement rifle's gas system for smoother cycling and enhanced reliability. This adjustable gas block is useful on match rifles, suppressed rifles and rifles chambered in non-standard AR calibers, especially when shooting a variety of factory and custom hand-loaded ammunition. The gas block is made of chromoly steel with a melonite finish to hold up to high round count shooting and attaches to your barrel with dual set screws. It is compatible with all standard USGI pattern AR rifles and DPMS pattern LR-308 .308 AR receivers that take standard length gas tubes. Lo-Profile gas block requires 1.45" internal clearance to fit under rails. The package includes: adjustable gas block, adjustment set screw (installed), straight gas tube (installed, gas tube pin installed, and 12" long Allen wrench to adjust inside handguard. This Adjustable Lo-Profile Gas Block measures .750" and has a mid-length, straight tube.
$62.99
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Adj Lo Gas Block .75"

Wilson Combat
Wilson Combat's Adjustable AR Gas Block replaces a standard AR gas block and allows you to tune your direct impingement rifle's gas system for smoother cycling and enhanced reliability. This adjustable gas block is useful on match rifles, suppressed rifles and rifles chambered in non-standard AR calibers, especially when shooting a variety of factory and custom hand-loaded ammunition. The gas block is made of chromoly steel with a melonite finish to hold up to high round count shooting and attaches to your barrel with dual set screws. It is compatible with all standard USGI pattern AR rifles and DPMS pattern LR-308 .308 AR receivers that take standard length gas tubes. Lo-Profile gas block requires 1.45" internal clearance to fit under rails. The package includes: adjustable gas block, adjustment set screw (installed), straight gas tube (installed, gas tube pin installed, and 12" long Allen wrench to adjust inside handguard. This Adjustable Lo-Profile Gas Block measures .750" and has a carbine-length, straight tube.
$62.99
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Gas Block

USM4

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Gas Block

USM4

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Low Profile

Troy Ind
The .750 Low-Profile Gas Block is made for rail systems that need to go over the gass block. Fits all M4 carbines and M16A2, A3 & A4 rifles. It is machined from hardened steel with a black oxide fiinish and are made in the U.S.A..
$24.99
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Stainless Steel

Trinity Force

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Stainless Steel

Trinity Force
This Low Profile Stainless Steel Gas Block fits all LR308, AR10's, M4 Carbines, and M16A2-A3 and A4 rifles with .936 barrels. It replaces the front sight and requires 10" or longer free float handguard for enhanced reliability.
$27.99
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AR

Strike
Simple and elegant the Strike Industries Steel Gas Block is manufactured to exacting tolerances and has a low profile block that will fit under whatever rail you use. The gas blocks is made to fit barrels that feature a .750 or 3/4-inch gas block mounting surface.
$24.00
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.750 Gas Block

Lantac
The LANTAC GB750S ultra low profile gas block is manufactured to the highest quality standards. The GB750S is designed to fit .750 diameter gas pad barrels and uses a 2 set screw design to securely retain the block in position. It comes complete with, 10-32x.125" set screws and gas tube roll pin. It will place the gas port hole at the correct .295" position from the shoulder.
$38.00
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Super Gas Block

Geissele Automatics
The Super Gas Block's (SGB) bore is machined to closely fit around .750 diameter mounting bosses found on most M4 Carbines and AR-15 rifles.
$58.00
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Super Gas Block

Geissele Automatics
The Super Gas Block's (SGB) bore is machined to closely fit around .750 diameter mounting bosses found on most M4 Carbines and AR-15 rifles.
$59.00
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Super Gas Block

Geissele Automatics
The Super Gas Block's (SGB) bore is machined to closely fit around .750 diameter mounting bosses found on most M4 Carbines and AR-15 rifles.
$58.00
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.750

Black Rain
Black Rain's BRO Low Profile gas block is for your AR style rifle and is adjustable.
$89.99