WELCOME TO OUR STORE!

MAS Defense is committed to providing "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.

Thank you for your business and support!
Team MAS Defense


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SHIPPING LEAD TIMES

Parts ship in approximately (1-3) business day. Barreled Uppers ship in approximately (2-4) business days. Due to the high volume of orders, we can not change, modify, edit or combine orders after they are placed. E-mails can take up to 48 hours to respond to.

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LOCAL PICKUP

Given the dynamic nature of the current Coronavirus (COVID-19) situation, Local Pickup is no longer available.  

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ORDERS

All of our inventory is LIVE DATA. If a part shows in stock, we have it in stock. We do not "Back Order" parts. Barreled Upper Orders can not be changed or modified in any way after they have been placed. Please contact us BEFORE  you place an order with any questions.


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FRAUD POLICY

Due to increased fraudulent activity, customers with different billing and shipping addresses or credit card names will be required to submit a copy of their drivers license to confirm their identity. Once confirmed, customers will not have to resubmit on future orders. 

FEATURED PRODUCTS



POLYMER80 GLOCK 17/22 80% POLYMER LOWER RECEIVER OD GREEN - P80-PF940V2-ODG POLYMER80 GLOCK 17/22 80% POLYMER LOWER RECEIVER OD GREEN - P80-PF940V2-ODG
RETAIL: $160.00
Our Price: $149.99
SALE PRICE: $129.99
In Stock

(6)
POLYMER80 GLOCK 17/22 80% POLYMER LOWER RECEIVER BLACK - P80-PF940V2-BLK POLYMER80 GLOCK 17/22 80% POLYMER LOWER RECEIVER BLACK - P80-PF940V2-BLK
RETAIL: $160.00
Our Price: $149.99
SALE PRICE: $129.99
In Stock

(13)
POLYMER80 GLOCK 17/22 80% POLYMER LOWER RECEIVER - FLAT DARK EARTH (FDE) - P80-PF940V2-FDE POLYMER80 GLOCK 17/22 80% POLYMER LOWER RECEIVER - FLAT DARK EARTH (FDE) - P80-PF940V2-FDE
RETAIL: $160.00
Our Price: $149.99
SALE PRICE: $129.99
In Stock

(9)
POLYMER80 GLOCK 17/22 80% POLYMER LOWER RECEIVER GRAY - P80-PF940V2-GRY POLYMER80 GLOCK 17/22 80% POLYMER LOWER RECEIVER GRAY - P80-PF940V2-GRY
RETAIL: $160.00
Our Price: $149.99
SALE PRICE: $129.99
In Stock

(5)
***BLEM*** 80% BILLET LOWER RECEIVER GLOCK 9MM AR-9 - BLACK ***BLEM*** 80% BILLET LOWER RECEIVER GLOCK 9MM AR-9 - BLACK
RETAIL: $150.00
Our Price: $129.99
SALE PRICE: $99.99
In Stock

(1)
16" 300 BLACKOUT BARREL - GAS BLOCK - GAS TUBE COMBO 16" 300 BLACKOUT BARREL - GAS BLOCK - GAS TUBE COMBO
RETAIL: $206.00
Our Price: $177.97
SALE PRICE: $99.99
In Stock

(1)
BURRIS FASTFIRE II 4 MOA RED DOT - BU300232 BURRIS FASTFIRE II 4 MOA RED DOT - BU300232
RETAIL: $210.00
Our Price: $199.99
SALE PRICE: $149.99
In Stock

(1)
POLYMER80 AR15 RHINO RL556V3 80% POLYMER LOWER RECEIVER KIT BLACK - P80-RL556v3-BLK POLYMER80 AR15 RHINO 80% POLYMER LOWER RECEIVER KIT BLACK - P80-RL556V3-BLK
RETAIL: $79.99
Our Price: $74.99
SALE PRICE: $59.99
(Out of Stock)
(64)