MAS Defense is committed to providing you quality parts at reasonable prices. Our foundation is built on excellent customer service, honesty and integrity. These simple guidelines are what has made MAS Defense the preferred company it is today. We strive to meet all of your needs and hope to become your one and only tactical weapon store. Contact us directly with any questions or to discuss your build.
All of our inventory is live data. If a part shows in stock, we have it in stock. We do not believe in "Back Ordering" parts and will NEVER sell any part that we do not have in stock. Barreled Uppers are built to order. Parts will ship in approximately 1-2 business days. Barreled Uppers will ship in approximately 4 business days. Local Pick Up is available in Charlotte, NC. We do ask that you call before stopping by as we are not a "come in and browse shop".
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In Stock Specials
- *****HUGE SUMMER SALE HAS BEEN EXTENDED !!!*****
- *****PLEASE SEE OUR "SALES-SPECIALS" SECTION WITH OVER 150 ITEMS ON SALE.*****
- Yankee Hill Machine Billet Upper Receiver ***SALE $154.99***
- 7.5" 300 BLK HBAR Barrels ***SALE $99.99***
- Nickel Boron M16 and AR15 Profile Bolt Carrier Groups ***SALE $124.99***
- 7.5", 10.5" & 16" .223 Wylde 1x7, 1x8 & 1x9 Barrels (These can fire 5.56) ***Starting at $84.99***
- Barreled Uppers available in any configuration. Please call to discuss.
New Parts Added
- 8.5" and 10.5" 300 Blackout Melonite Nitride and 416R Stainless Steel Barrels
- 16" 300 Blackout Barrels with a Pistol Gas System. These can fire Subsonic ammo without a suppressor.
- 20" .223 Wylde Straight and Spiral Fluted Stainless Steel Barrels (Can fire 5.56)
- We have several Troy FDE and VTAC hand guards. Call for availability.
- 24" .223 Wylde barrels.