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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.
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.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
We ranked every gas block by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Gas Block Guide →Check it against the live catalog:
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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Daniel Defense MK12 Low Profile Gas Block - .750 - Set Screw Style
| Build | Parts | Total |
|---|---|---|
![]() | 14 | $3074.99 |
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