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.

 

 

*** Local Pick Up is available by appointment only in Charlotte, NC. 



*** Shipping timeframes have been delayed due to the increasing demand for AR15 parts. Parts will ship in approximately 2 business days. Barreled Uppers are built to order and will ship in approximately 4 business days.  *** Orders can NOT be edited, changed or modified in any way once they have been placed. Please make sure your 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.

 

 

New Parts Added
- Shockwave Blade Pistol Stabilizer Arm Brace Kits in Black and Flat Dark Earth
- Thordsen Customs Pistol Cheek Rest Kits with MFT Saddle
- Side Charging Handle AR15 and AR9 Non-Reciprocating Billet Upper Receiver
- Aero Precision A4 and No Forward Assist Upper Receivers
- MAS Defense T-Shirts in Black, Red and Gray
- We have several Troy M-LOK, FDE and VTAC hand guards that are not on the site.
Please call for availability.


Coming Soon
- Seekins Precision new NOXs series hand guards
- UTG Parts - Stocks, Rails, Sights, Grips, Hand Stops
- 7.5" AR15 Pistol "Go Bag". Discretely carry your AR Pistol and spare mags.
- Various 15" Hand Guard Builds


 

     
    1 - 46 of 46 items
    Sort By:
    TROY INDUSTRIES 7.2" VTAC ALPHA - STRX-AVK-72BT-01 TROY INDUSTRIES 7.2" VTAC ALPHA - FDE - STRX-AVK-72FT-01 TROY INDUSTRIES 9" VTAC ALPHA - STRX-AVK-90BT-01 TROY INDUSTRIES 9" VTAC ALPHA - FDE - STRX-AVK-90FT-01
    TROY INDUSTRIES 7.2" VTAC ALPHA - STRX-AVK-72BT-01TROY INDUSTRIES 7.2" VTAC ALPHA - FDE - STRX-AVK-72FT-01TROY INDUSTRIES 9" VTAC ALPHA - STRX-AVK-90BT-01TROY INDUSTRIES 9" VTAC ALPHA - FDE - STRX-AVK-90FT-01

    $154.99

    $134.99

    $154.99

    $134.99

    $159.99

    $139.99

    $159.99

    $139.99

    TROY INDUSTRIES 11" VTAC ALPHA - STRX-AVK-11BT-01 TROY INDUSTRIES 11" VTAC ALPHA - FDE - STRX-AVK-11FT-01 TROY INDUSTRIES 13" VTAC ALPHA - STRX-AVK-13BT-01 TROY INDUSTRIES 13" VTAC ALPHA - FDE - STRX-AVK-13FT-01
    TROY INDUSTRIES 11" VTAC ALPHA - STRX-AVK-11BT-01TROY INDUSTRIES 11" VTAC ALPHA - FDE - STRX-AVK-11FT-01TROY INDUSTRIES 13" VTAC ALPHA - STRX-AVK-13BT-01TROY INDUSTRIES 13" VTAC ALPHA - FDE - STRX-AVK-13FT-01

    $169.99

    $149.99

    $169.99

    $149.99

    $179.99

    $159.99

    $179.99

    $159.99

    TROY INDUSTRIES 15" VTAC ALPHA - STRX-AVK-15BT-01 TROY INDUSTRIES 15" VTAC ALPHA - FDE - STRX-AVK-15FT-01 AR15 A4 STRIPPED UPPER RECEIVER - BLEM AERO PRECISION AR15 COMPLETE UPPER RECEIVER - BLEM
    TROY INDUSTRIES 15" VTAC ALPHA - STRX-AVK-15BT-01TROY INDUSTRIES 15" VTAC ALPHA - FDE - STRX-AVK-15FT-01AR15 A4 STRIPPED UPPER RECEIVER - BLEMAERO PRECISION AR15 COMPLETE UPPER RECEIVER - BLEM

    $189.99

    $169.99

    $189.99

    $169.99

    $79.99

    $42.99

    (83)

    $99.99

    $79.99

    (4)
    BA GEN2 15" FREE FLOAT SLIM HAND GUARD (EXT RIFLE) - BLEMISHED 14.5" 5.56 / .223 1x9 M4 CONTOUR HARDENED CHROME MOLY BARREL XTECH ATG (ADJUSTABLE TACTICAL GRIP) 3 POSITION AR15 GRIP - FDE SIG SB15 PISTOL STABILIZING BRACE - FDE
    BA GEN2 15" FREE FLOAT SLIM HAND GUARD (EXT RIFLE) - BLEMISHED14.5" 5.56 / .223 1x9 M4 CONTOUR HARDENED CHROME MOLY BARRELXTECH ATG (ADJUSTABLE TACTICAL GRIP) 3 POSITION AR15 GRIP - FDESIG SB15 PISTOL STABILIZING BRACE - FDE

    $89.99

    $74.99

    (5)

    $129.99

    $99.99

    (2)

    $19.99

    $14.99

    $129.99

    $109.99

    (7)
    CRKT PAZODA KNIFE AND EAT'N TOOL COMBO - CR6490EC THORDSEN / MFT ENHANCED PISTOL CHEEK REST KIT - BLK THORDSEN / MFT ENHANCED PISTOL CHEEK REST KIT - FDE SHOCKWAVE BLADE PISTOL STABILIZER ARM BRACE KIT - BLACK
    CRKT PAZODA KNIFE AND EAT'N TOOL COMBO - CR6490ECTHORDSEN / MFT ENHANCED PISTOL CHEEK REST KIT - BLKTHORDSEN / MFT ENHANCED PISTOL CHEEK REST KIT - FDESHOCKWAVE BLADE PISTOL STABILIZER ARM BRACE KIT - BLACK

    $24.99

    $14.99

    (8)

    $79.99

    (5)

    $79.99

    $94.99

    (3)
    SHOCKWAVE BLADE PISTOL STABILIZER ARM BRACE KIT - FDE 80% FORGED LOWER RECEIVER - AR15 KEYMOD 2" RAIL SECTION KEYMOD 3" RAIL SECTION
    SHOCKWAVE BLADE PISTOL STABILIZER ARM BRACE KIT - FDE80% FORGED LOWER RECEIVER - AR15KEYMOD 2" RAIL SECTIONKEYMOD 3" RAIL SECTION

    $94.99

    $64.99

    $49.99

    (12)

    $14.99

    $9.99

    $16.99

    $11.99

    (1)
    KEYMOD 5" RAIL SECTION TROY INDUSTRIES BATTLERAIL 3 PIECE RAIL KIT FLASH CAN "SLIM" MUZZLE BRAKE 5/8 x 24 TPI AR9 9MM SIDE CHARGING HANDLE BILLET UPPER RECEIVER
    KEYMOD 5" RAIL SECTIONTROY INDUSTRIES BATTLERAIL 3 PIECE RAIL KITFLASH CAN "SLIM" MUZZLE BRAKE 5/8 x 24 TPIAR9 9MM SIDE CHARGING HANDLE BILLET UPPER RECEIVER

    $18.99

    $13.99

    $29.99

    $19.99

    (5)

    $34.99

    (16)

    $274.99

    $224.99

    (2)
    AR15 SIDE CHARGING HANDLE BILLET UPPER RECEIVER MAGPUL CTR STOCK - COMMERCIAL - MAG311-FDE MFT BATTLELINK MINIMALIST STOCK - COMMERCIAL- BMS SDE 10.5" 300 AAC BLACKOUT 1x8 HBAR CHROME MOLY BARREL
    AR15 SIDE CHARGING HANDLE BILLET UPPER RECEIVERMAGPUL CTR STOCK - COMMERCIAL - MAG311-FDEMFT BATTLELINK MINIMALIST STOCK - COMMERCIAL- BMS SDE10.5" 300 AAC BLACKOUT 1x8 HBAR CHROME MOLY BARREL

    $299.99

    $249.99

    (2)

    $54.99

    $47.99

    $59.99

    $49.99

    $139.99

    $89.99

    (16)
    10.5" 300 AAC BLACKOUT 1x7 HBAR 416 STAINLESS STEEL BARREL 7.5" .223 WYLDE 1x7 M4 CONTOUR STAINLESS STEEL BARREL 10.5" .223 WYLDE 1x7 M4 CONTOUR CHROME MOLY BARREL 10.5" .223 WYLDE 1x7 M4 CONTOUR STAINLESS STEEL BARREL
    10.5" 300 AAC BLACKOUT 1x7 HBAR 416 STAINLESS STEEL BARREL7.5" .223 WYLDE 1x7 M4 CONTOUR STAINLESS STEEL BARREL10.5" .223 WYLDE 1x7 M4 CONTOUR CHROME MOLY BARREL10.5" .223 WYLDE 1x7 M4 CONTOUR STAINLESS STEEL BARREL

    $169.99

    $99.99

    (6)

    $129.99

    $79.99

    (8)

    $129.99

    $89.99

    (2)

    $139.99

    $99.99

    (1)
    10.5" .223 WYLDE 1x8 HBAR STAINLESS STEEL BARREL 16" .223 WYLDE 1x7 M4 CONTOUR CHROME MOLY BARREL 16" .223 WYLDE 1x7 M4 CONTOUR STAINLESS STEEL BARREL 20" .223 WYLDE 1x8 SPIRAL FLUTED CHROME MOLY BARREL
    10.5" .223 WYLDE 1x8 HBAR STAINLESS STEEL BARREL16" .223 WYLDE 1x7 M4 CONTOUR CHROME MOLY BARREL16" .223 WYLDE 1x7 M4 CONTOUR STAINLESS STEEL BARREL20" .223 WYLDE 1x8 SPIRAL FLUTED CHROME MOLY BARREL

    $139.99

    $79.99

    (4)

    $139.99

    $99.99

    (9)

    $149.99

    $114.99

    $179.99

    $124.99

    (1)
    20" .223 WYLDE 1x8 SPIRAL FLUTED STAINLESS STEEL BARREL 24" .223 WYLDE 1x8 HBAR CHROME MOLY BARREL 24" .223 WYLDE 1x8 STRAIGHT FLUTED CHROME MOLY BARREL 24" .223 WYLDE 1x8 SPIRAL FLUTED CHROME MOLY BARREL
    20" .223 WYLDE 1x8 SPIRAL FLUTED STAINLESS STEEL BARREL24" .223 WYLDE 1x8 HBAR CHROME MOLY BARREL24" .223 WYLDE 1x8 STRAIGHT FLUTED CHROME MOLY BARREL24" .223 WYLDE 1x8 SPIRAL FLUTED CHROME MOLY BARREL

    $199.99

    $139.99

    (10)

    $169.99

    $114.99

    (3)

    $189.99

    $134.99

    (3)

    $199.99

    $139.99

    (1)
    24" .223 WYLDE 1x8 STRAIGHT FLUTED STAINLESS STEEL BARREL 24" .223 WYLDE 1x8 SPIRAL FLUTED STAINLESS STEEL BARREL
    24" .223 WYLDE 1x8 STRAIGHT FLUTED STAINLESS STEEL BARREL24" .223 WYLDE 1x8 SPIRAL FLUTED STAINLESS STEEL BARREL

    $209.99

    $154.99

    (1)

    $219.99

    $159.99