User Ratings
No ratings yet
Be the first to review this product
LANTAC Dragon® Muzzle Brake (Dead Air KEYMO)
Designed for AR10, 308-style, and 300 Blackout rifles, the LANTAC DGN762B-DA™ muzzle brake improves recoil management and reduces muzzle rise.
Product Features
- Short Energy Pulse system reduces recoil duration for faster, more controlled follow-up shots
- Prevents recoil overlap that can push the shooter off target
- Enables full-auto fire with significantly reduced recoil and muzzle climb
- Helps maintain shot placement and target control during rapid fire
- Compatible with the full range of Dead Air® Sandman® KEYMO™ silencers
- Includes detachable front caps
- Exterior surfaces are Cerakote® finished for durability
- Dragon brakes are precision manufactured on Swiss lathes
- Machined from hardened AISI 4140 steel
- Heat treated to 48–52Rc Rockwell hardness
- QPQ nitrided to AMS2753D standards
- Fully licensed Dead Air mount design
- Suppressor warranty remains unaffected when used with compatible Dead Air products
- Includes timing shim set
- Lantac recommends semi-permanent Rocksett thread locker (sold separately)
Specifications
- Caliber: 7.62x51mm / .308
- Thread: 5/8-24 UNEF right-hand
- Finish: Black Nitride QPQ
- Length: 2.760 in
- Body diameter: 0.824 in
- Mount: 1.080 in
Specifications
- Manufacturer:
- Lantac
- Category:
- muzzle-device
- Caliber:
- 7.62x51mm NATO
- Interfaces:
- Muzzle thread: 5/8-24Suppressor QD mount: Dead Air KeyMo
- Weight:
- 3.42 oz
- Length:
- 2.8"
- MPN:
- DGN762B-DA
- Required Component:
- No
Parts Cabinet
Track parts you own or plan to buy.
Where to Buy
Have one to sell?
Sponsored
MantisX
The smart way to train your AR build
Built your rifle — now train it. BlackBeardX installs in minutes and turns your AR into a full dry fire system with smart feedback on every pull.
Shop BlackBeardXPrice History
Current
$155.99
Lowest
$155.99
Highest
$155.99
Price Alert
Sign in to save a target price and receive an email when this component drops.
Sign In to Set AlertSimilar Products

SureFire 3-Prong Flash Hider 5/8-24 TPI
Surefire
$134.00

Wolfpack Armory Night Howler Recessed Flash Hider 1/2"-28 Nitride
Wolfpack Armory
$94.00

SureFire WARCOMP AR-308 Flash Hider 30 Cal 5/8-24 Stainless Steel Black
Surefire
$152.00

A2 BIRDCAGE Flash Hider
Unknown
$15.00

KAK Industry Plan B Universal Muzzle Device
Kak Industry
$37.99

SilencerCo ASR 3-Port Muzzle Brake 1/2x28 for 5.56 NATO AC142
SilencerCo
$79.99

Yankee Hill Machine Phantom 5.56mm Comp/Flash Hider YHM-28-5C1 Smooth Endcuts 1/2x28
Yankee Hill Machine
$28.03

Daniel Defense Flash Hider 1/2-28 AR-15 5.56/223 Suppressor
Daniel Defense
$51.00
Builds Using This Part
No builds yet — be the first to use this part.
Related Guides
Guide
The AK Platform: Core Design, Strengths, and Builder Tradeoffs
A practical AK overview covering operating system basics, parts ecosystem realities, and where the AK platform shines compared to AR-pattern rifles.
8 min read
Guide
AR-15 Armorer's Toolkit: What You Actually Need
A no-filler breakdown of the specific tools required for AR-15 armorer work, from trigger and grip swaps to barrel installation and headspace verification. What each tool does and why it matters.
7 min read
Guide
AR-15 Components: A Complete Reference Guide
A comprehensive overview of every major component in an AR-15 build—including what's inside bolt carrier groups and parts kits—organized by assembly for new builders.
12 min read