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.

 

 

We are currently building a new website that we hope to go live with in May.
It has a much cleaner look and will be easier to navigate. More to come.....

 


     
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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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    $22.99

    $15.99

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

    $139.99

    $99.99

    $149.99

    $109.99

    (2)

    $139.99

    $99.99

    $149.99

    $109.99

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

    $139.99

    $99.99

    $149.99

    $109.99

    $139.99

    $99.99

    $149.99

    $109.99

    MAS DEFENSE RIOT MUZZLE BRAKE 5.56 / .223 7.5" 300 AAC BLACKOUT 1x7 416R STAINLESS STEEL BARREL - MATTE 8.5" 300 AAC BLACKOUT 1x7 4150 CrMoV MELONITE NITRIDE BARREL 8.5" 300 AAC BLACKOUT 1x7 416R STAINLESS STEEL BARREL - MATTE
    MAS DEFENSE RIOT MUZZLE BRAKE 5.56 / .2237.5" 300 AAC BLACKOUT 1x7 416R STAINLESS STEEL BARREL - MATTE8.5" 300 AAC BLACKOUT 1x7 4150 CrMoV MELONITE NITRIDE BARREL8.5" 300 AAC BLACKOUT 1x7 416R STAINLESS STEEL BARREL - MATTE

    $59.99

    $39.99

    $169.99

    $139.99

    $159.99

    $129.99

    $179.99

    $149.99

    10.5" 300 AAC BLACKOUT 1x7 4150 CrMoV MELONITE NITRIDE BARREL 10.5" 300 AAC BLACKOUT 1x7 416R STAINLESS STEEL BARREL - MATTE AR15 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT MELONITE NITRIDE BCG M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT MELONITE NITRIDE BCG
    10.5" 300 AAC BLACKOUT 1x7 4150 CrMoV MELONITE NITRIDE BARREL10.5" 300 AAC BLACKOUT 1x7 416R STAINLESS STEEL BARREL - MATTEAR15 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT MELONITE NITRIDE BCGM16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT MELONITE NITRIDE BCG

    $159.99

    $129.99

    $179.99

    $149.99

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    9MM AR9 BOLT CARRIER GROUP GLOCK AND COLT BCG 9MM AR9 BOLT CARRIER GROUP GLOCK AND COLT TITANIUM NITRIDE TiN 9MM AR9 BOLT CARRIER GROUP GLOCK AND COLT DIAMOND LIKE DLC MAS DEFENSE 4.2" NERO M-LOK FREE FLOAT (PISTOL)
    9MM AR9 BOLT CARRIER GROUP GLOCK AND COLT BCG9MM AR9 BOLT CARRIER GROUP GLOCK AND COLT TITANIUM NITRIDE TiN9MM AR9 BOLT CARRIER GROUP GLOCK AND COLT DIAMOND LIKE DLCMAS DEFENSE 4.2" NERO M-LOK FREE FLOAT (PISTOL)

    $144.99

    $99.99

    (2)

    $219.99

    $179.99

    $249.99

    $199.99

    $89.99

    $59.99

    MAS DEFENSE 7.25" NERO M-LOK FREE FLOAT (CARBINE) 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 7.25" NERO M-LOK FREE FLOAT (CARBINE)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)

    $99.99

    $69.99

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    $109.99

    $79.99

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    $114.99

    $84.99

    $129.99

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    MAS DEFENSE 12.62" NERO M-LOK FREE FLOAT  (RIFLE) MAS DEFENSE 15" NERO M-LOK FREE FLOAT (EXTENDED RIFLE) MAS DEFENSE 15" NERO M-LOK FREE FLOAT FDE (EXTENDED RIFLE) 7.5" 5.56 / .223 BARRELED UPPER - MAS NERO 7.25" M-LOK RAIL
    MAS DEFENSE 12.62" NERO M-LOK FREE FLOAT (RIFLE)MAS DEFENSE 15" NERO M-LOK FREE FLOAT (EXTENDED RIFLE)MAS DEFENSE 15" NERO M-LOK FREE FLOAT FDE (EXTENDED RIFLE)7.5" 5.56 / .223 BARRELED UPPER - MAS NERO 7.25" M-LOK RAIL

    $119.99

    $89.99

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    $129.99

    $99.99

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    $144.99

    $114.99

    $349.99

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    7.5" 5.56 / .223 BARRELED UPPER - MAS NERO 9.87" M-LOK RAIL 10.5" 5.56 / .223 BARRELED UPPER - MAS NERO 9.87" M-LOK RAIL 10.5" 5.56 /.223 BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL 11.5" 5.56 / .223 BARRELED UPPER - MAS NERO 11" M-LOK RAIL
    7.5" 5.56 / .223 BARRELED UPPER - MAS NERO 9.87" M-LOK RAIL10.5" 5.56 / .223 BARRELED UPPER - MAS NERO 9.87" M-LOK RAIL10.5" 5.56 /.223 BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL11.5" 5.56 / .223 BARRELED UPPER - MAS NERO 11" M-LOK RAIL

    $384.99

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    $269.99

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    $369.99

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    (1)
    16" 5.56/.223 BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL 16" 5.56/.223 BARRELED UPPER - MAS NERO 15" M-LOK RAIL 18" 5.56 / .223 BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL 18" 5.56 / .223 BARRELED UPPER - MAS NERO 15" M-LOK RAIL
    16" 5.56/.223 BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL16" 5.56/.223 BARRELED UPPER - MAS NERO 15" M-LOK RAIL18" 5.56 / .223 BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL18" 5.56 / .223 BARRELED UPPER - MAS NERO 15" M-LOK RAIL

    $389.99

    $279.99

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    $419.99

    $289.99

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    $299.99

    7.5" 300 BLACKOUT BARRELED UPPER - MAS NERO 7.25" M-LOK RAIL 8.5" 300 BLACKOUT BARRELED UPPER - MAS NERO 7.25" M-LOK RAIL 8.5" 300 BLACKOUT BARRELED UPPER - MAS NERO 9.87" M-LOK RAIL 8.5" 300 BLACKOUT BARRELED UPPER - MAS NERO 11" M-LOK RAIL
    7.5" 300 BLACKOUT BARRELED UPPER - MAS NERO 7.25" M-LOK RAIL8.5" 300 BLACKOUT BARRELED UPPER - MAS NERO 7.25" M-LOK RAIL8.5" 300 BLACKOUT BARRELED UPPER - MAS NERO 9.87" M-LOK RAIL8.5" 300 BLACKOUT BARRELED UPPER - MAS NERO 11" M-LOK RAIL

    $349.99

    $264.99

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    $359.99

    $269.99

    $394.99

    $284.99

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    8.5" 300 BLACKOUT BARRELED UPPER - MAS NERO 11" M-LOK RAIL FDE 10.5" 300 BLACKOUT BARRELED UPPER - MAS NERO 9.87" M-LOK RAIL 10.5" 300 BLACKOUT BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL 14.5" 300 BLACKOUT BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL
    8.5" 300 BLACKOUT BARRELED UPPER - MAS NERO 11" M-LOK RAIL FDE 10.5" 300 BLACKOUT BARRELED UPPER - MAS NERO 9.87" M-LOK RAIL10.5" 300 BLACKOUT BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL14.5" 300 BLACKOUT BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL

    $414.99

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    $369.99

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    $389.99

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    16" 300 BLACKOUT BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL 16" 300 BLACKOUT BARRELED UPPER - MAS NERO 15" M-LOK RAIL 4.75" 9MM BARRELED UPPER - MAS NERO 4.2" M-LOK RAIL 4.75" 9MM BARRELED UPPER - MAS NERO 7.25" M-LOK RAIL
    16" 300 BLACKOUT BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL16" 300 BLACKOUT BARRELED UPPER - MAS NERO 15" M-LOK RAIL4.75" 9MM BARRELED UPPER - MAS NERO 4.2" M-LOK RAIL4.75" 9MM BARRELED UPPER - MAS NERO 7.25" M-LOK RAIL

    $389.99

    $279.99

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    $399.99

    $289.99

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    $249.99

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    $264.99

    7.5" 9MM BARRELED UPPER - MAS NERO 7.25" M-LOK RAIL 7.5" 9MM BARRELED UPPER - MAS NERO 9.75" M-LOK RAIL 10.5" 9MM BARRELED UPPER - MAS NERO 9.87" M-LOK 10.5" 9MM BARRELED UPPER - MAS NERO 12.62" M-LOK
    7.5" 9MM BARRELED UPPER - MAS NERO 7.25" M-LOK RAIL7.5" 9MM BARRELED UPPER - MAS NERO 9.75" M-LOK RAIL10.5" 9MM BARRELED UPPER - MAS NERO 9.87" M-LOK10.5" 9MM BARRELED UPPER - MAS NERO 12.62" M-LOK

    $299.99

    $254.99

    $329.99

    $269.99

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    $259.99

    $349.99

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    16" 9MM BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL 16" 9MM BARRELED UPPER - MAS NERO 15" M-LOK RAIL 7.5" 7.62 x 39 BARRELED UPPER - MAS NERO 7.25" M-LOK RAIL 10.5" 7.62 x 39 BARRELED UPPER - MAS NERO 9.87" M-LOK RAIL
    16" 9MM BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL16" 9MM BARRELED UPPER - MAS NERO 15" M-LOK RAIL7.5" 7.62 x 39 BARRELED UPPER - MAS NERO 7.25" M-LOK RAIL10.5" 7.62 x 39 BARRELED UPPER - MAS NERO 9.87" M-LOK RAIL

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    10.5" 7.62 x 39 BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL 16" 7.62x39 BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL 16" 7.62x39 BARRELED UPPER - MAS NERO 15" M-LOK RAIL
    10.5" 7.62 x 39 BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL16" 7.62x39 BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL16" 7.62x39 BARRELED UPPER - MAS NERO 15" M-LOK RAIL

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