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 Monday - Friday in Charlotte, NC.


New site is looking great! You want options? We have plenty!
Set to launch in less than one week!

 


     
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    MAS DEFENSE RIOT MUZZLE BRAKE 5.56/.223 - MELONITE NITRIDE MAS DEFENSE RIOT MUZZLE BRAKE 5.56/.223 STAINLESS STEEL MATTE 9MM AR9 BOLT CARRIER GROUP GLOCK AND COLT TITANIUM NITRIDE TiN 9MM AR9 BOLT CARRIER GROUP GLOCK AND COLT DIAMOND LIKE DLC
    MAS DEFENSE RIOT MUZZLE BRAKE 5.56/.223 - MELONITE NITRIDEMAS DEFENSE RIOT MUZZLE BRAKE 5.56/.223 STAINLESS STEEL MATTE9MM AR9 BOLT CARRIER GROUP GLOCK AND COLT TITANIUM NITRIDE TiN9MM AR9 BOLT CARRIER GROUP GLOCK AND COLT DIAMOND LIKE DLC

    $59.99

    $39.99

    $59.99

    $39.99

    $219.99

    $179.99

    $249.99

    $199.99

    4.75" 9MM BARRELED UPPER - MAS NERO 4.2" M-LOK RAIL - BLEM 7.5" 5.56 / .223 BARRELED UPPER - BA GEN2 7.25" SERIES - BLEM 11.5" 5.56 / .223 BARRELED UPPER VECTOR 9.75" SERIES - BLEM 16" 5.56 / .223 BARRELED UPPER - BA GEN2 12.5" SERIES - BLEM
    4.75" 9MM BARRELED UPPER - MAS NERO 4.2" M-LOK RAIL - BLEM7.5" 5.56 / .223 BARRELED UPPER - BA GEN2 7.25" SERIES - BLEM11.5" 5.56 / .223 BARRELED UPPER VECTOR 9.75" SERIES - BLEM16" 5.56 / .223 BARRELED UPPER - BA GEN2 12.5" SERIES - BLEM

    $284.99

    $199.99

    $319.99

    $184.99

    $319.99

    $199.99

    (6)

    $339.99

    $199.99

    16" 5.56/.223 BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL - BLEM 16" 5.56/.223 BARRELED UPPER YANKEE HILL 12.5" TODD JARRETT BLEM 20" 5.56 / .223 BARRELED UPPER - YANKEE HILL 15" DIAMOND - BLEM 16" 300 BLACKOUT BARRELED UPPER - BA GEN2 15" SERIES - BLEM
    16" 5.56/.223 BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL - BLEM16" 5.56/.223 BARRELED UPPER YANKEE HILL 12.5" TODD JARRETT BLEM20" 5.56 / .223 BARRELED UPPER - YANKEE HILL 15" DIAMOND - BLEM16" 300 BLACKOUT BARRELED UPPER - BA GEN2 15" SERIES - BLEM

    $389.99

    $224.99

    $424.99

    $274.99

    $499.99

    $319.99

    $369.99

    $209.99

    16" 300 BLACKOUT BARRELED UPPER - MAS NERO 15" M-LOK RAIL - BLEM MAS DEFENSE 9MM 416R STAINLESS GLOCK 19 BARREL - NITRIDE MAS DEFENSE 9MM 416R STAINLESS GLOCK 19 BARREL -NITRIDE THREADED MAS DEFENSE 9MM 416R STAINLESS GLOCK 19 BARREL - MATTE
    16" 300 BLACKOUT BARRELED UPPER - MAS NERO 15" M-LOK RAIL - BLEMMAS DEFENSE 9MM 416R STAINLESS GLOCK 19 BARREL - NITRIDEMAS DEFENSE 9MM 416R STAINLESS GLOCK 19 BARREL -NITRIDE THREADEDMAS DEFENSE 9MM 416R STAINLESS GLOCK 19 BARREL - MATTE

    $399.99

    $229.99

    $149.99

    $109.99

    $159.99

    $119.99

    (2)

    $139.99

    $99.99

    MAS DEFENSE 9MM 416R STAINLESS GLOCK 19 BARREL - MATTE THREADED MAS DEFENSE 9MM 416R STAINLESS GLOCK 17 BARREL - NITRIDE MAS DEFENSE 9MM 416R STAINLESS GLOCK 17 BARREL -NITRIDE THREADED MAS DEFENSE 9MM 416R STAINLESS GLOCK 17 BARREL - MATTE
    MAS DEFENSE 9MM 416R STAINLESS GLOCK 19 BARREL - MATTE THREADEDMAS DEFENSE 9MM 416R STAINLESS GLOCK 17 BARREL - NITRIDEMAS DEFENSE 9MM 416R STAINLESS GLOCK 17 BARREL -NITRIDE THREADEDMAS DEFENSE 9MM 416R STAINLESS GLOCK 17 BARREL - MATTE

    $149.99

    $109.99

    $149.99

    $109.99

    $159.99

    $119.99

    (1)

    $139.99

    $99.99

    MAS DEFENSE 9MM 416R STAINLESS GLOCK 17 BARREL - MATTE THREADED MAS DEFENSE 9MM 416R STAINLESS GLOCK 22 CONV BARREL - NITRIDE 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 GLOCK 17 BARREL - MATTE THREADEDMAS DEFENSE 9MM 416R STAINLESS GLOCK 22 CONV BARREL - NITRIDEMAS DEFENSE 4.2" NERO M-LOK FREE FLOAT (PISTOL)MAS DEFENSE 7.25" NERO M-LOK FREE FLOAT (CARBINE)

    $149.99

    $109.99

    $149.99

    $109.99

    $89.99

    $59.99

    $99.99

    $69.99

    (1)
    MAS DEFENSE 9.87" NERO M-LOK FREE FLOAT (SPECTER) MAS DEFENSE 11" NERO M-LOK FREE FLOAT  (RIFLE) MAS DEFENSE 11" NERO M-LOK FREE FLOAT FDE (RIFLE) MAS DEFENSE 12.62" NERO M-LOK FREE FLOAT  (RIFLE)
    MAS DEFENSE 9.87" NERO M-LOK FREE FLOAT (SPECTER)MAS DEFENSE 11" NERO M-LOK FREE FLOAT (RIFLE)MAS DEFENSE 11" NERO M-LOK FREE FLOAT FDE (RIFLE)MAS DEFENSE 12.62" NERO M-LOK FREE FLOAT (RIFLE)

    $109.99

    $79.99

    (1)

    $114.99

    $84.99

    $129.99

    $99.99

    $119.99

    $89.99

    (1)
    MAS DEFENSE 15" NERO M-LOK FREE FLOAT (EXTENDED RIFLE) MAS DEFENSE 15" NERO M-LOK FREE FLOAT FDE (EXTENDED RIFLE)
    MAS DEFENSE 15" NERO M-LOK FREE FLOAT (EXTENDED RIFLE)MAS DEFENSE 15" NERO M-LOK FREE FLOAT FDE (EXTENDED RIFLE)

    $129.99

    $99.99

    (3)

    $144.99

    $114.99