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.*****
- 8" 300 BLK Chrome Moly Steel Barrels ***SALE $129.99***
- 8.5" 300 BLK 416R Stainless Steel Barrels ***SALE $144.99***
- 10.5" 5.56 1x7 M4 Contour Barrels ***SALE $124.99***
- 16" 5.56 1x8 416R Stainless Steel M4 Contour Barrels ***SALE $119.99***
- Nickel Boron M16 and AR15 Profile Bolt Carrier Groups ***SALE $124.99***
- 16" 5.56 1x7 M4 Contour 4142 Hardened Steel Barrel ***SALE $114.99***
- Seekins SP223 Billet Upper Receiver - ***SALE $199.99***
- 7.5", 10.5" & 16" .223 Wylde 1x7, 1x8 & 1x9 Barrels (These can fire 5.56) ***Starting at $99.99***
- Barreled Uppers available in any configuration. Please call to discuss.
New Parts Added
- 9MM Barreled Uppers - Pistol / SBR
- 80% Lower Receiver - 7075-T6 Forged Aluminum - No FFL Required
- 10.5" 300 BLK 4142 Hardened Steel Barrels
- 7.5" 1x7 .223 Wylde M4 Contour Stainless Steel Barrels (Can fire 5.56)
- 10.5" 1x8 .223 Wylde HBAR Stainless Steel Barrels (Can fire 5.56)
- 16" .223 Wylde Fluted Stainless Steel Barrels (Can fire 5.56)
- We have several Troy FDE and VTAC hand guards. Call for availability.
- 20" .223 Wylde 416R Stainless Straight and Spiral Fluted Barrels
- 80% Lower engraved with the MAS Logo