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If we do not have a dealer in your area, call us to order factory direct (937-444-6500).

We will ship to the FFL dealer of your choice. We accept all major credit cards.

At HM Defense, our mission is to advance AR15 / AR10 rifle technology to its highest level. We strive to create rifles that are more accurate, easier to maintain and dependable in extreme conditions.

Guns & Ammo Article About Monobloc





HM Defense is Investing In New CMM Inspection Technology


HM249  Under Development


Patented Technologies








What people are saying about HM

 “I have had an opportunity to fire the HM-10 rifle multiple times over the past several months. The rifles over all fit and quality are simply outstanding. For a 308/7.62 the rifle was light and well balanced at 8 lbs 14 oz.
The weapon produced consistent half minute of angle groups with a variety of factory ammo. The accuracy is equivalent to many more expensive tactical bolt rifles i have fired over the years. With hand loads I am confident lower minute of angle accuracy would be possible.
HM Defense's Monobloc system reduced the felt recoil to the equivalent of a 243 win. This allowed me to stay in the scope, without loosing the target and aided in rapid follow up shots.
The rifle is a joy to shoot and represents a great value for a precision tactical rifle.

            Stephen Morgan

           Vortex Optics

           Military/LE Business Development Manager


 “HM Defense’s Monobloc HM-15 is truly something different, an AR15 style carbine with both a gas tube interface and muzzle device machined integrally into the barrel. If you believe that simpler is better, the HM-15 Monobloc is a serious step in your direction.”

Keith Wood, Guns and Ammo


“In 35 years of military service I have used every version of the M16 family from the A1, A2 and the M4. My HM15 Monobloc is by far the smoothest shooting, has the least felt recoil and most reliable gun I have ever used. The ability to stay on the target due to the low recoil during rapid strings of fire is unprecedented. If I ever deployed again this is the weapon I would love to take down range with me.

CSM Michael J. Vogt
Command Sergeant Major 2nd BN 152 INF REGT



DefenderM5 Review Bomb Proof AR15


Slow Motion


How to Install Monobloc Barrel


RaiderM5 Review with HMB Bolt


Facility Tour







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Proudly Made in Ohio, USA