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.


  
*** LEAD TIMES
-Phone calls and e-mails can take up to 48 hours to respond to.
-Parts will ship in approximately 1-2 business days.
-Barreled Uppers will ship in approximately 2-3 business days.


**** INVENTORY
All 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.


***** MODIFYING ORDERS
Orders can NOT be edited, changed or modified in any way once they have been placed. Please
make sure you are 100% sure you are ordering the correct parts. Give us a call before you place
an order if you have any questions or if you are unsure of fitment.


****** LOCAL PICKUP
Local Pickup is available by appointment only in Charlotte, NC.

 

MAS Defense is proud to carry parts from the manufacturers shown below. We can get almost
almost anything from anyone. Give us a call or send us a e-mail if your looking for something
that you do not see on our site. Chances are we can get it for you. Thank You

        

     
    1 - 35 of 35 items
    Sort By:
    MAS DEFENSE T-SHIRT SPARTAN - BLACK - MEDIUM MAS DEFENSE T-SHIRT SPARTAN - BLACK - LARGE MAS DEFENSE T-SHIRT SPARTAN - BLACK - EXTRA LARGE MAS DEFENSE T-SHIRT SPARTAN - BLACK - 2X LARGE
    MAS DEFENSE T-SHIRT SPARTAN - BLACK - MEDIUMMAS DEFENSE T-SHIRT SPARTAN - BLACK - LARGEMAS DEFENSE T-SHIRT SPARTAN - BLACK - EXTRA LARGEMAS DEFENSE T-SHIRT SPARTAN - BLACK - 2X LARGE

    $19.99

    $14.99

    (1)

    $19.99

    $14.99

    (1)

    $19.99

    $14.99

    (1)

    $19.99

    $14.99

    (2)
    LOWER PARTS KIT AR15 MAS DEFENSE AR15 STRIPPED UPPER RECEIVER 18" .223 WYLDE 1x8 GOVT STAINLESS STEEL PREMIUM BARREL RIFLE GAS 4.75" 9MM BARRELED UPPER - GDSC 7.2" SLANT KEYMOD ***SALE***
    LOWER PARTS KIT AR15MAS DEFENSE AR15 STRIPPED UPPER RECEIVER18" .223 WYLDE 1x8 GOVT STAINLESS STEEL PREMIUM BARREL RIFLE GAS4.75" 9MM BARRELED UPPER - GDSC 7.2" SLANT KEYMOD ***SALE***

    $54.99

    $44.99

    (7)

    $79.99

    $44.99

    (17)

    $199.99

    $149.99

    (1)

    $349.99

    $224.99

    (1)
    7.5" 9MM BARRELED UPPER - GTMU 7.2" FDE ***SALE*** 7.5" 7.62x39 BARRELED UPPER VECTOR 7.2" SERIES - BLEM 16" .223 WYLDE BARRELED UPPER YANKEE HILL 9.29" MR7 M-LOK *SALE* 18" .223 WYLDE BARRELED UPPER YANKEE HILL 12.6" MR7 M-LOK *SALE*
    7.5" 9MM BARRELED UPPER - GTMU 7.2" FDE ***SALE***7.5" 7.62x39 BARRELED UPPER VECTOR 7.2" SERIES - BLEM16" .223 WYLDE BARRELED UPPER YANKEE HILL 9.29" MR7 M-LOK *SALE*18" .223 WYLDE BARRELED UPPER YANKEE HILL 12.6" MR7 M-LOK *SALE*

    $349.99

    $224.99

    $349.99

    $209.99

    $459.99

    $299.99

    $484.99

    $324.99

    (1)
    7.5" 5.56 / .223 BARRELED UPPER - VECTOR 7.2" SERIES - BLEM 7.5" 5.56 / .223 BARRELED UPPER - RIDGELINE 7.2" KEYMOD - BLEM 10.5" .223 WYLDE 1x7 BARRELED UPPER OMEGA 9.75" SERIES - BLEM 10.5" .223 WYLDE 1x7 BARRELED UPPER RIDGELINE 9.75" KEYMOD  BLEM
    7.5" 5.56 / .223 BARRELED UPPER - VECTOR 7.2" SERIES - BLEM7.5" 5.56 / .223 BARRELED UPPER - RIDGELINE 7.2" KEYMOD - BLEM10.5" .223 WYLDE 1x7 BARRELED UPPER OMEGA 9.75" SERIES - BLEM10.5" .223 WYLDE 1x7 BARRELED UPPER RIDGELINE 9.75" KEYMOD BLEM

    $359.99

    $209.99

    (1)

    $359.99

    $219.99

    $359.99

    $219.99

    (3)

    $369.99

    $219.99

    10.5" .223 WYLDE 1x7 BARRELED UPPER BA GEN2 9.75" - BLEM 16" 5.56 / .223 1x8 BARRELED UPPER - OMEGA 12" SERIES - BLEM 16" 5.56 / .223 1x8 BARRELED UPPER - BA GEN2 12.5" SERIES - BLEM 16" 5.56 / .223 1x8 BARRELED UPPER - OMEGA 15" SERIES - BLEM
    10.5" .223 WYLDE 1x7 BARRELED UPPER BA GEN2 9.75" - BLEM16" 5.56 / .223 1x8 BARRELED UPPER - OMEGA 12" SERIES - BLEM16" 5.56 / .223 1x8 BARRELED UPPER - BA GEN2 12.5" SERIES - BLEM16" 5.56 / .223 1x8 BARRELED UPPER - OMEGA 15" SERIES - BLEM

    $369.99

    $224.99

    (1)

    $369.99

    $219.99

    $379.99

    $229.99

    $379.99

    $224.99

    16" 5.56 / .223 1x8 BARRELED UPPER - BA GEN2 15" - BLEM 16" 5.56 MID-LENGTH BARRELED UPPER RIDGELINE 12.5" KEYMOD - BLEM 16" 5.56 1x7 MID-LENGTH BARRELED UPPER  - BA GEN2 15" - BLEM 16" 5.56 1x7 MID-LENGTH BARRELED UPPER VECTOR 12" SERIES - BLEM
    16" 5.56 / .223 1x8 BARRELED UPPER - BA GEN2 15" - BLEM16" 5.56 MID-LENGTH BARRELED UPPER RIDGELINE 12.5" KEYMOD - BLEM16" 5.56 1x7 MID-LENGTH BARRELED UPPER - BA GEN2 15" - BLEM16" 5.56 1x7 MID-LENGTH BARRELED UPPER VECTOR 12" SERIES - BLEM

    $389.99

    $234.99

    (1)

    $399.99

    $229.99

    $409.99

    $234.99

    (3)

    $389.99

    $224.99

    18" 5.56 / .223 BARRELED UPPER - VECTOR 12.5" SERIES - BLEM 7.5" 300 BLACKOUT BARRELED UPPER - OMEGA 7.2" SERIES - BLEM 10.5" 300 BLACKOUT BARRELED UPPER - VECTOR 9.75" SERIES - BLEM 10.5" 300 BLACKOUT BARRELED UPPER - RIDGELINE 9.75" KEYMOD  BLEM
    18" 5.56 / .223 BARRELED UPPER - VECTOR 12.5" SERIES - BLEM7.5" 300 BLACKOUT BARRELED UPPER - OMEGA 7.2" SERIES - BLEM10.5" 300 BLACKOUT BARRELED UPPER - VECTOR 9.75" SERIES - BLEM10.5" 300 BLACKOUT BARRELED UPPER - RIDGELINE 9.75" KEYMOD BLEM

    $379.99

    $229.99

    (1)

    $389.99

    $209.99

    (3)

    $384.99

    $219.99

    (5)

    $394.99

    $219.99

    10.5" 300 BLACKOUT BARRELED UPPER - BA GEN2 9.75" - BLEM 16" 300 BLACKOUT BARRELED UPPER - VECTOR 12" SERIES - BLEM 16" 300 BLACKOUT BARRELED UPPER - BA GEN2 12.5" SERIES - BLEM 16" 300 BLACKOUT BARRELED UPPER - OMEGA 12" SERIES - BLEM
    10.5" 300 BLACKOUT BARRELED UPPER - BA GEN2 9.75" - BLEM16" 300 BLACKOUT BARRELED UPPER - VECTOR 12" SERIES - BLEM16" 300 BLACKOUT BARRELED UPPER - BA GEN2 12.5" SERIES - BLEM16" 300 BLACKOUT BARRELED UPPER - OMEGA 12" SERIES - BLEM

    $394.99

    $224.99

    (1)

    $394.99

    $219.99

    $404.99

    $229.99

    $394.99

    $219.99

    16" 300 BLACKOUT BARRELED UPPER - OMEGA 15" SERIES - BLEM 16" 300 BLACKOUT BARRELED UPPER RIDGELINE 15" KEYMOD - BLEM 16" 300 BLACKOUT BARRELED UPPER - BA GEN2 15" - BLEM
    16" 300 BLACKOUT BARRELED UPPER - OMEGA 15" SERIES - BLEM16" 300 BLACKOUT BARRELED UPPER RIDGELINE 15" KEYMOD - BLEM16" 300 BLACKOUT BARRELED UPPER - BA GEN2 15" - BLEM

    $404.99

    $224.99

    (2)

    $419.99

    $234.99

    (1)

    $414.99

    $234.99

    (1)