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Lantac
Overview
The LanTac Dragon Muzzle Brake is designed specifically for 5.56 NATO caliber AR-15 rifles and features a 1/2x28 thread pitch, making it compatible with a wide range of barrels. As a muzzle brake, it effectively reduces recoil and muzzle rise, allowing for faster follow-up shots and improved accuracy during rapid fire. This muzzle device is commonly found in builds that utilize a mid-length gas system, optimizing performance for those seeking a balanced setup.
Specifications
LANTAC Dragon 1/2x28 5.56 AR-15 Muzzle Brake, Black - DGN556B-QM
Available Merchants(5)
Prices checked
Price Alert
Build history on GunPartPicker
Builders have added the LANTAC Dragon 1/2x28 5.56 AR-15 Muzzle Brake, Black - DGN556B-QM to their builds on GunPartPicker. Since April 2026, it ranks #259 of the 565 muzzle devices builders have added.
It was hard to find in October 2026, in stock on only 13 of the 24 days we checked, and today all 5 retailers we track have it in stock. Prices barely moved in October 2026, holding around $128.99, with no real sale all month. Buying today, the lowest price is $115.49 at Ammunition Depot, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Read the guide: AR-15 Muzzle Device Guide →Check it against the live catalog:
Frequently Built With
The part most often added in each category by the builds that include this one
Strike Industries Ambi AR-15 Magazine Release - FDE
Battle Arms Development Enhanced Pivot and Takedown Pin Set - Titanium - Black
Guntec USA Airlite Skeletonized Pistol Grip - Black
Bravo Company Manufacturing Standard Carbine Upper Receiver Group - MCMR-10 Handguard - 11.5"
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers
Strike Industries Collar Adjustable Gas Block
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the LanTac Dragon 1/2x28 5.56 AR-15 Muzzle Brake, Black - DGN556B-QM
| Build | Parts | Total |
|---|---|---|
 | 22 | $878.30 |
 | 24 | $3861.31 |
 | 27 | $5367.99 |
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