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 day.
-Barreled Uppers will ship in approximately 1-3 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 Monday - Friday in Charlotte, NC.

 

     
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    MAS DEFENSE T-SHIRT SPLATTER LOGO - CHARCOAL - MEDIUM MAS DEFENSE T-SHIRT SPLATTER LOGO - CHARCOAL - LARGE MAS DEFENSE T-SHIRT SPLATTER LOGO - CHARCOAL - EXTRA LARGE MAS DEFENSE T-SHIRT SPLATTER LOGO - CHARCOAL - 2 EXTRA LARGE
    MAS DEFENSE T-SHIRT SPLATTER LOGO - CHARCOAL - MEDIUMMAS DEFENSE T-SHIRT SPLATTER LOGO - CHARCOAL - LARGEMAS DEFENSE T-SHIRT SPLATTER LOGO - CHARCOAL - EXTRA LARGEMAS DEFENSE T-SHIRT SPLATTER LOGO - CHARCOAL - 2 EXTRA LARGE

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    $15.99

    MAS DEFENSE 9MM 416R STAINLESS STEEL NITRIDE GLOCK 19 BARREL MAS DEFENSE 9MM 416R STAINLESS STEEL GLOCK 19 BARREL MAS DEFENSE 4.2" NERO M-LOK FREE FLOAT (PISTOL) MAS DEFENSE 7.25" NERO M-LOK FREE FLOAT (CARBINE)
    MAS DEFENSE 9MM 416R STAINLESS STEEL NITRIDE GLOCK 19 BARRELMAS DEFENSE 9MM 416R STAINLESS STEEL GLOCK 19 BARRELMAS DEFENSE 4.2" NERO M-LOK FREE FLOAT (PISTOL)MAS DEFENSE 7.25" NERO M-LOK FREE FLOAT (CARBINE)

    $124.99

    $99.99

    $124.99

    $99.99

    $89.99

    $59.99

    $99.99

    $69.99

    MAS DEFENSE 9.87" NERO M-LOK FREE FLOAT (SPECTER) MAS DEFENSE 12.62" NERO M-LOK FREE FLOAT  (RIFLE) MAS DEFENSE 15" NERO M-LOK FREE FLOAT (EXTENDED RIFLE) 4.75" 9MM BARRELED UPPER - MAS NERO 4.2" M-LOK RAIL
    MAS DEFENSE 9.87" NERO M-LOK FREE FLOAT (SPECTER)MAS DEFENSE 12.62" NERO M-LOK FREE FLOAT (RIFLE)MAS DEFENSE 15" NERO M-LOK FREE FLOAT (EXTENDED RIFLE)4.75" 9MM BARRELED UPPER - MAS NERO 4.2" M-LOK RAIL

    $109.99

    $79.99

    $119.99

    $89.99

    (1)

    $129.99

    $99.99

    (2)

    $319.99

    $249.99

    7.5" 5.56 / .223   BARRELED UPPER - MAS NERO 7.25" M-LOK RAIL 7.5" 300 BLACKOUT BARRELED UPPER - MAS NERO 7.25" M-LOK RAIL 7.5" 7.62 x 39 BARRELED UPPER - MAS NERO 7.25" M-LOK RAIL 10.5" 5.56 / .223 BARRELED UPPER - MAS NERO 9.87" M-LOK RAIL
    7.5" 5.56 / .223 BARRELED UPPER - MAS NERO 7.25" M-LOK RAIL7.5" 300 BLACKOUT BARRELED UPPER - MAS NERO 7.25" M-LOK RAIL7.5" 7.62 x 39 BARRELED UPPER - MAS NERO 7.25" M-LOK RAIL10.5" 5.56 / .223 BARRELED UPPER - MAS NERO 9.87" M-LOK RAIL

    $349.99

    $269.99

    $349.99

    $269.99

    $349.99

    $269.99

    $369.99

    $269.99

    10.5" 300 BLACKOUT BARRELED UPPER - MAS NERO 9.87" M-LOK RAIL 10.5" 9MM BARRELED UPPER - MAS NERO 9.87" M-LOK 10.5" 7.62 x 39 BARRELED UPPER - MAS NERO 9.87" M-LOK RAIL 10.5" 5.56 /.223 BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL
    10.5" 300 BLACKOUT BARRELED UPPER - MAS NERO 9.87" M-LOK RAIL10.5" 9MM BARRELED UPPER - MAS NERO 9.87" M-LOK10.5" 7.62 x 39 BARRELED UPPER - MAS NERO 9.87" M-LOK RAIL10.5" 5.56 /.223 BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL

    $369.99

    $269.99

    $349.99

    $254.99

    $369.99

    $269.99

    $399.99

    $279.99

    10.5" 300 BLACKOUT BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL 10.5" 9MM BARRELED UPPER - MAS NERO 12.62" M-LOK 10.5" 7.62 x 39 BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL 16" 5.56/.223 BARRELED UPPER - MAS NERO 15" M-LOK RAIL
    10.5" 300 BLACKOUT BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL10.5" 9MM BARRELED UPPER - MAS NERO 12.62" M-LOK10.5" 7.62 x 39 BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL16" 5.56/.223 BARRELED UPPER - MAS NERO 15" M-LOK RAIL

    $399.99

    $279.99

    $394.99

    $274.99

    $399.99

    $279.99

    $399.99

    $279.99

    16" 300 BLACKOUT BARRELED UPPER - MAS NERO 15" M-LOK RAIL 16" 9MM BARRELED UPPER - MAS NERO 15" M-LOK RAIL 16" 7.62x39 BARRELED UPPER - MAS NERO 15" M-LOK RAIL 18" 5.56 / .223 BARRELED UPPER - MAS NERO 15" M-LOK RAIL
    16" 300 BLACKOUT BARRELED UPPER - MAS NERO 15" M-LOK RAIL16" 9MM BARRELED UPPER - MAS NERO 15" M-LOK RAIL16" 7.62x39 BARRELED UPPER - MAS NERO 15" M-LOK RAIL18" 5.56 / .223 BARRELED UPPER - MAS NERO 15" M-LOK RAIL

    $399.99

    $279.99

    $379.99

    $269.99

    $399.99

    $279.99

    $459.99

    $299.99