Looking for Ligamec Corp?  We purchased Ligamec in January 2023.  See the press release here

Big Kahuna 'Raptor 50'

An affordable, high quality 50 BMG Upper Receiver for the AR-15 platform

We choose the best quality products, starting with Lothar Walther barrels, then handmake all the components in our manufacturing facility.  
This provides the best accuracy available, and gives you an affordable way to get your own 50 BMG!



"I bought my Raptor back in 2019.  I probably put at least 500-750 rounds of ammo through it.  Very happy with the gun.  I would recommend this to anyone that would like to buy one."   - Bill B., Marksman at Hernando Sportsman's Club, March 2023



Single Shot 50 BMG Upper Receiver

Compatible with any AR-15 Lower

We supply a new hammer for you to install. 

Choose your barrel length    

Barrel lengths available in 18.5, 22, 29, and 30 inches.

8 Port Muzzle Brake

Reduces the recoil of the large caliber 50 BMG round.

Compatible with AR-15 Lower Receiver

Easy to assemble

High Quality

We machine most of our own parts to control quality

Featuring Lothar Walther Barrels

We use Lothar Walther barrels for the best accuracy and consistency.

Optional 20 MOA Rail

For shooting long distance 500+ yards