Daniel Defense MK12 Low Profile Gas Block - .750 - Set Screw Style

Daniel Defense MK12 Low Profile Gas Block - .750 - Set Screw Style - Gas Block for AR-15 - view 1
Daniel Defense MK12 Low Profile Gas Block - .750 - Set Screw Style - Gas Block for AR-15 - view 2
Daniel Defense MK12 Low Profile Gas Block - .750 - Set Screw Style - Gas Block for AR-15 - view 3
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Daniel Defense

Overview

The Daniel Defense MK12 Low Profile Gas Block is a steel component designed to fit barrels with a .750 diameter, offering a secure and reliable gas operation through its set screw mounting style. Its low-profile design allows for compatibility with a variety of handguards, ensuring a clean and streamlined look while maintaining optimal gas flow. This gas block is commonly used in precision builds where weight savings and a sleek appearance are prioritized.

Specifications

MPN25-081-00029
Mounting TypeSet Screw
MaterialSteel
Gas Block Diameter.750
ProfileLow Profile
FinishBlack
AdjustableNo

Available Merchants(4)

Prices checked

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Primary Arms logo
Primary Arms
Free shipping over $99
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In Stock
$84
Ammunition Depot logo
Ammunition Depot
~$28.90 est. shipping
Shipping Speed
In Stock
$87
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Brownells
Free shipping over $99
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Out of Stock
$88
Optics Planet logo
Optics Planet
Free shipping
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$88

September 2026 on GunPartPicker

Daniel Defense MK12 Low Profile Gas Block - .750 - Set Screw Style ranked #14 of the 67 gas blocks builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since April 2026. All time, it ranks #18 of the 182 gas blocks builders have added.

It was in stock most days in September 2026, and today 2 of the 4 retailers we track have it in stock. Prices barely moved in September 2026, holding around $84, so there haven't been real sales lately. Buying today, the lowest price is $84 at Primary Arms, which matches the best price we saw in September.

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Frequently Built With

The part most often added in each category by the 9 builds that include this one

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

89.9%
AR-1589.9%
AR-108.3%
AR-91.8%

Caliber

66%
5.56 NATO66%
.223 Wylde15.2%
300 Blackout8.6%
.308 Win3.5%
6mm ARC1.5%
Other5.1%

Gas System

47.5%
Mid-Length47.5%
Carbine27.7%
Rifle12.9%
Pistol10.9%
Intermediate0.4%
Other0.5%

Builds Featuring This Part

See all 1 →

Builds in the community that include the Daniel Defense MK12 Low Profile Gas Block - .750 - Set Screw Style

BuildPartsTotal
16" 5.56 build
16" 5.56
14$3074.99

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