Welcome.



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

Parts ship in approximately (1-2) BUSINESS days. Barreled Uppers ship in approximately (2-3) BUSINESS days. Due to the high volume of orders, we cannot cancel, modify, edit or combine orders after they are placed. E-mails can take 24-72 hours to respond to.

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SATE & AGE RESTRICTIONS

Please click HERE for updated information.

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INVENTORY

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



AERO PRECISION AR-10 .308 M5 15" ATLAS S-ONE M-LOK HANDGUARD MPN: APRA538105A AERO PRECISION AR-10 .308 M5 15" ATLAS S-ONE M-LOK HANDGUARD - APRA538105A
MSRP: $240.00
Our Price: $203.99
SALE PRICE: $183.59
In Stock

(1)
AERO PRECISION AR-10 15" .308 M5 ENHANCED M-LOK HANDGUARD GEN 2 - APRA308232A APRA308232C APRA308232 AERO PRECISION AR-10 .308 M5 15" ENHANCED M-LOK HANDGUARD GEN 2 - APRA308232A
MSRP: $230.00
Our Price: $195.49
SALE PRICE: $175.94
In Stock

(8)
AERO PRECISION AR-10 .308 M5 15" ATLAS R-ONE M-LOK HANDGUARD - APRA538705A AERO PRECISION AR-10 .308 M5 15" ATLAS R-ONE M-LOK HANDGUARD - APRA538705A
MSRP: $240.00
Our Price: $203.99
SALE PRICE: $183.59
In Stock

(6)
AERO PRECISION AR-15 ENHANCED M-LOK HANDGUARD GEN 2 - APRA100218AS APRA100218A AERO PRECISION AR-15 ENHANCED M-LOK 15" HANDGUARD GEN 2 - APRA100218A
MSRP: $190.00
Our Price: $161.49
SALE PRICE: $145.34
In Stock

(1)
AERO PRECISION AR-10 .308 DPMS GEN 1 M5 STRIPPED UPPER RECEIVER - APAR308503C APAR308503AC AERO PRECISION AR-10 .308 DPMS GEN 1 M5 UPPER RECEIVER - APAR308503C APAR308503AC
MSRP: $150.00
Our Price: $129.99
SALE PRICE: $116.99
In Stock

(32)
16" 5.56 / .223 1x8 M4 AR-15 CONTOUR 4140 CrMoV MELONITE NITRIDE BARREL 16" 5.56 / .223 1x8 M4 CONTOUR 4140 CrMoV MELONITE NITRIDE BARREL
MSRP: $150.00
Our Price: $139.99
SALE PRICE: $89.99
In Stock

(13)
16" 5.56 / .223 1x7 GOVERNMENT 4150 CrMoV MELONITE NITRIDE BARREL - MID-LENGTH GAS 16" 5.56 / .223 1x7 GOVERNMENT 4150 CrMoV MELONITE NITRIDE BARREL - MID-LENGTH GAS
MSRP: $150.00
Our Price: $139.99
SALE PRICE: $109.99
In Stock

(11)
AERO PRECISION AR-15 FORGED UPPER RECEIVER FLAT DARK EARTH FDE  - APAR501801C APAR501801AC AERO PRECISION AR-15 FORGED UPPER RECEIVER FLAT DARK EARTH FDE - APAR501801C APAR501801AC
MSRP: $105.00
Our Price: $89.24
SALE PRICE: $80.32
In Stock

(12)
10.5" 5.56 / .223 1x7 GOVT PROFILE 4150 CrMoV MELONITE NITRIDE BARREL 10.5" 5.56 / .223 1x7 GOVT PROFILE 4150 CrMoV MELONITE NITRIDE BARREL
MSRP: $135.00
Our Price: $124.99
SALE PRICE: $99.99
In Stock

(33)