To take full advantage of this site, please enable your browser's JavaScript feature.
Learn how
My Account
View Wishlist
***SALES***
HOLIDAY SALE
BLEM SALE
MAS DEFENSE
BALLISTIC ADVANTAGE
FAXON FIREARMS
G-FLEX TRIGGERS
MAGPUL
MISSION FIRST TACTICAL
NORSSO GLOCK SLIDES
POLYMER80
ROCK RIVER ARMS
SB TACTICAL
SYLVAN ARMS
UTG / LEAPERS
BRANDS
A - L
5D TACTICAL
80% ARMS
AERO PRECISION
BALLISTIC ADVANTAGE
DEL-TON
FAXON FIREARMS
FRANKLIN ARMORY
G-FLEX TRIGGERS
GEISLER DEFENCE
HOLOSUN
JSD SUPPLY
M - Z
***MAS DEFENSE***
MAGPUL
MISSION FIRST TACTICAL
NORSSO GLOCK SLIDES
NORTH SIDE KNIVES
POLYMER80
ROCK RIVER ARMS
SB TACTICAL
SHOCKWAVE - KAK
SYLVAN ARMS
UTG / LEAPERS
AR-9
9MM BARRELED UPPERS
5.25" 9MM
8.3" 9MM
11" 9MM
16" 9MM
AR-9 BUILD KITS
AR-9 UPPER PARTS
AR-9 LOWER PARTS
AR-15
AR-15 BARRELED UPPERS
5.56 NATO / .223
7.5" - 8" 5.56 NATO
10.5" 5.56 NATO
11.5" 5.56 NATO
13.9" 5.56 NATO
14.5" 5.56 NATO
16" 5.56 NATO
18" 5.56 NATO
.223 WYLDE
16" .223 WYLDE
18" .223 WYLDE
20" .223 WYLDE
300 BLACKOUT
6" 300 AAC BLACKOUT
7.5" 300 AAC BLACKOUT
8.5" 300 AAC BLACKOUT
10.5" 300 AAC BLACKOUT
16" 300 AAC BLACKOUT
AR-15 BUILD KITS
AR-15 UPPER PARTS
AR-15 UPPER RECEIVERS
AR-15 BARRELS
5.56 NATO BARRELS
.223 WYLDE BARRELS
300 BLACKOUT BARRELS
AR-15 BCG's / CHARGING HANDLES
HANDGUARDS
ALL HANDGUARDS
ACCESSORIES
DROP IN
4"-5" PISTOL
7" CARBINE
9"-10" SPECTER
11"-13" RIFLE
15"+ EXT RIFLE
AR-15 GAS BLOCKS / TUBES
AR-15 MUZZLE DEVICES
1/2 x 28 TPI
1/2 x 36 TPI
5/8 x 24 TPI
THREAD CONVERTERS
AR-15 LOWER PARTS
LOWER PARTS AND KITS
GRIPS
STOCKS - PISTOL BRACES
PISTOLS - ARM BRACES
RIFLES - STOCKS
80% LOWERS
POLYMER 80% LOWERS
FORGED 80% LOWERS
AR-10
AR-10 BARRELED UPPERS
AR-10 UPPER PARTS
AR-10 UPPER RECEIVERS
AR-10 BARRELS
AR-10 BCG's / CHARGING HANDLES
AR-10 HANDGUARDS
AR-10 GAS BLOCK / GAS TUBES
AR-10 MUZZLE DEVICES
AR-10 LOWER PARTS
AR-10 LOWER PARTS KITS
AR-10 TRIGGERS
AR-10 STOCKS - KITS
AR-10 GRIPS
AR-10 80% LOWERS
GLOCK
GLOCK SLIDE PARTS
GLOCK BARRELS
G26 BARRELS
G19 BARRELS
G17 BARRELS
G23 BARRELS
G22 BARRELS
GLOCK SLIDES & PARTS
G43 SLIDES & PARTS
G26 SLIDES & PARTS
G19 SLIDES & PARTS
G17 SLIDES & PARTS
GLOCK FRAME PARTS
GLOCK 43 FRAME PARTS
GLOCK 26/27 FRAME PARTS
GLOCK 19/23 FRAME PARTS
GLOCK 17/22 FRAME PARTS
GLOCK 20/21 FRAME PARTS
76% - 80% FRAMES & JIGS
P80 JIGS
G43 SINGLE STACK
G26/27 SUB-COMPACT
G19/23/32 COMPACT
G17/22 FULL SIZE
G20/21 SF XL SIZE
SIG P320
SIG P320 SLIDE PARTS
SIG P320 FRAME PARTS
80% INSERTS & JIGS
SIGHTS
SIGHTS
OPTICS
TOOLS
TOOLS
KNIVES
SWAG
Contact
My Account
658 Griffith Road Suite 111
Charlotte, NC 28217
980-265-1005
[email protected]
Let's Stay In Touch
Facebook
Twitter
Instagram
0
MAS Defense LLC
Contact
Log-In | Account
***SALES***
HOLIDAY SALE
BLEM SALE
MAS DEFENSE
BALLISTIC ADVANTAGE
FAXON FIREARMS
G-FLEX TRIGGERS
MAGPUL
MISSION FIRST TACTICAL
NORSSO GLOCK SLIDES
POLYMER80
ROCK RIVER ARMS
SB TACTICAL
SYLVAN ARMS
UTG / LEAPERS
BRANDS
A - L
5D TACTICAL
80% ARMS
AERO PRECISION
BALLISTIC ADVANTAGE
DEL-TON
FAXON FIREARMS
FRANKLIN ARMORY
G-FLEX TRIGGERS
GEISLER DEFENCE
HOLOSUN
JSD SUPPLY
M - Z
***MAS DEFENSE***
MAGPUL
MISSION FIRST TACTICAL
NORSSO GLOCK SLIDES
NORTH SIDE KNIVES
POLYMER80
ROCK RIVER ARMS
SB TACTICAL
SHOCKWAVE - KAK
SYLVAN ARMS
UTG / LEAPERS
AR-9
9MM BARRELED UPPERS
5.25" 9MM
8.3" 9MM
11" 9MM
16" 9MM
AR-9 BUILD KITS
AR-9 UPPER PARTS
AR-9 LOWER PARTS
AR-15
AR-15 BARRELED UPPERS
5.56 NATO / .223
7.5" - 8" 5.56 NATO
10.5" 5.56 NATO
11.5" 5.56 NATO
13.9" 5.56 NATO
14.5" 5.56 NATO
16" 5.56 NATO
18" 5.56 NATO
.223 WYLDE
16" .223 WYLDE
18" .223 WYLDE
20" .223 WYLDE
300 BLACKOUT
6" 300 AAC BLACKOUT
7.5" 300 AAC BLACKOUT
8.5" 300 AAC BLACKOUT
10.5" 300 AAC BLACKOUT
16" 300 AAC BLACKOUT
AR-15 BUILD KITS
AR-15 UPPER PARTS
AR-15 UPPER RECEIVERS
AR-15 BARRELS
5.56 NATO BARRELS
.223 WYLDE BARRELS
300 BLACKOUT BARRELS
AR-15 BCG's / CHARGING HANDLES
HANDGUARDS
ALL HANDGUARDS
ACCESSORIES
DROP IN
4"-5" PISTOL
7" CARBINE
9"-10" SPECTER
11"-13" RIFLE
15"+ EXT RIFLE
AR-15 GAS BLOCKS / TUBES
AR-15 MUZZLE DEVICES
1/2 x 28 TPI
1/2 x 36 TPI
5/8 x 24 TPI
THREAD CONVERTERS
AR-15 LOWER PARTS
LOWER PARTS AND KITS
GRIPS
STOCKS - PISTOL BRACES
PISTOLS - ARM BRACES
RIFLES - STOCKS
80% LOWERS
POLYMER 80% LOWERS
FORGED 80% LOWERS
AR-10
AR-10 BARRELED UPPERS
AR-10 UPPER PARTS
AR-10 UPPER RECEIVERS
AR-10 BARRELS
AR-10 BCG's / CHARGING HANDLES
AR-10 HANDGUARDS
AR-10 GAS BLOCK / GAS TUBES
AR-10 MUZZLE DEVICES
AR-10 LOWER PARTS
AR-10 LOWER PARTS KITS
AR-10 TRIGGERS
AR-10 STOCKS - KITS
AR-10 GRIPS
AR-10 80% LOWERS
GLOCK
GLOCK SLIDE PARTS
GLOCK BARRELS
G26 BARRELS
G19 BARRELS
G17 BARRELS
G23 BARRELS
G22 BARRELS
GLOCK SLIDES & PARTS
G43 SLIDES & PARTS
G26 SLIDES & PARTS
G19 SLIDES & PARTS
G17 SLIDES & PARTS
GLOCK FRAME PARTS
GLOCK 43 FRAME PARTS
GLOCK 26/27 FRAME PARTS
GLOCK 19/23 FRAME PARTS
GLOCK 17/22 FRAME PARTS
GLOCK 20/21 FRAME PARTS
76% - 80% FRAMES & JIGS
P80 JIGS
G43 SINGLE STACK
G26/27 SUB-COMPACT
G19/23/32 COMPACT
G17/22 FULL SIZE
G20/21 SF XL SIZE
SIG P320
SIG P320 SLIDE PARTS
SIG P320 FRAME PARTS
80% INSERTS & JIGS
SIGHTS
SIGHTS
OPTICS
TOOLS
TOOLS
KNIVES
SWAG
HOME
>
AR-15
>
AR-15 BARRELED UPPERS
>
300 BLACKOUT
>
16" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 12.62" M-LOK RAIL
Alternative Views:
MSRP
: $415.00
Our Price
: $339.99
SALE PRICE
: $
289.99
Price with Selected Options
:
$289.99
Stock Status
:
In Stock
Product Code:
MAS-163B1-MDNM-12
Upper Receiver Options:
MAS DEFENSE AR-15 FORGED UPPER RECEIVER BLACK - MAS00101204
MAS DEFENSE AR-15 FORGED SLICK SIDE NO FWD ASSIST BLACK - MAS00101104
MAS DEFENSE AR-15 FORGED UPPER RECEIVER FLAT DARK EARTH - MAS00101208 [Add $14.99]
MAS DEFENSE AR-15 FORGED UPPER RECEIVER STEALTH GREY - MAS00101212 [Add $14.99]
Barrel Options:
16" 300 BLK 1X8 MAS DEFENSE GOVT PROFILE 4150V MELONITE - MAS00124504
Handguard Options:
MAS DEFENSE 12.62" NERO M-LOK FREE FLOAT - BLACK
MAS DEFENSE 12.62" NERO M-LOK FREE FLOAT - FLAT DARK EARTH [Add $14.99]
Gas Block Options:
.750 LOW PROFILE GAS BLOCK - STEEL MELONITE NITRIDE
Gas Tube Options:
PISTOL GAS TUBE
PISTOL GAS TUBE - MELONITE NITRIDE [Add $4.99]
Muzzle Device Options:
A2 FLASH HIDER - 5/8x24
A2 MUZZLE COMPENSATOR - 5/8x24 [Add $4.99]
LINEAR COMPENSATOR - 5/8x24 [Add $14.99]
3C MUZZLE BRAKE MELONITE NITRIDE - 5/8x24 [Add $29.99]
MAS DEFENSE RIOT MUZZLE BRAKE STAINLESS STEEL MATTE - 5/8x24 [Add $39.99]
FLASH CAN MUZZLE DEVICE - 5/8x24 [Add $19.99]
FLASH CAN "SLIM SHORT" MUZZLE DEVICE - 5/8x24 [Add $14.99]
FLASH CAN "SLIM" MUZZLE DEVICE - 5/8x24 [Add $19.99]
FLASH CAN "SLIM LONG" MUZZLE DEVICE - 5/8x24 [Add $24.99]
6.5" INTERNAL FAKE CAN / SUPPRESSOR - SHROUD - 5/8x24 [Add $24.99]
KNURLED THREAD PROTECTOR - 5/8x24
***ON SALE - Choose a Bolt Carrier Group:
Options:
AR-15 AUTO PROFILE MELONITE NITRIDE BCG - MAS00103208 [Add $74.99]
AR-15 AUTO PROFILE HYBRID GOLD TITANIUM (TiN) BCG - MAS00103214 [Add $94.99]
AR-15 AUTO PROFILE HYBRID NICKEL BORON BCG - MAS00103210 [Add $94.99]
AR-15 AUTO PROFILE RADIANT BLUE HAZE (BLUE GRAY) BCG - MAS00103226 [Add $164.99]
AR-15 AUTO PROFILE RADIANT BRONZE (ROSE GOLD) BCG - MAS00103222 [Add $164.99]
AR-15 AUTO PROFILE RADIANT GOLD TITANIUM (TiN) BCG - MAS00103224 [Add $164.99]
***ON SALE - Choose a Charging Handle:
Options:
AR-15 MIL-SPEC FCH - MAS00102102 [Add $11.99]
AR-15 GEN 1 DUAL PULL AMBI FCH - MAS00102114 [Add $17.99]
Qty:
DESCRIPTION
The options listed below come standard with this barreled upper. The drop down options listed above allow you to customize your build. You can leave them as is, change one option or change them all! We let you build your upper the way you want it built!
1. Upper Receiver
- 7075 T6 Aluminum A4. Precision Machined to Mil-Spec Tolerances. Black Hardcoat Anodized Mil-Std-171 Type III. M4 Ramps, Forward Assist, Ejection Door.
2.
Barrel
- 16" 300 Blackout Barrel. Click on the drop down box above to choose from our selection.
3. Handguard
- MAS Defense "Nero" 12.62" Slimline M-LOK Free Floating Handguard - (ID 1.25")
4. Gas Block
- .750 Low Profile Steel Melonite Nitride Treated Gas Block
5. Gas Tube
- Pistol Length Stainless Steel Gas Tube
6. Muzzle Device
- A2 Half Cage
Bolt Carrier Groups and Charging Handles are sold separately.
All barreled uppers are head spaced and test fired to ensure function.
ALL LAWS APPLY. IT IS THE RESPONSIBILITY OF THE BUYER TO UNDERSTAND ALL LAWS REGARDING PURCHASE AND OWNERSHIP OF THIS UPPER. WE STRONGLY URGE YOU TO CONTACT YOUR LOCAL FFL AND/OR THE ATF WITH ANY AND ALL QUESTIONS TO MAKE SURE YOU UNDERSTAND THE LAW BEFORE PURCHASING THIS ITEM.
***80% LOWERS CANNOT BE PURCHASED WITH BARRELED UPPERS OR BUILD KITS. ORDERS THAT INCLUDE THEM WILL BE CANCELLED AND CHARGED A 15% CANCELLATION FEE***.
RELATED ITEMS
FORGED CHARGING HANDLE AR-15 - STANDARD TACTICAL LATCH
M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - HYBRID GOLD TITANIUM NITRIDE (TiN)
M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - MELONITE NITRIDE
M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - HYBRID NICKEL BORON
Our Price
:
$24.99
SALE PRICE
: $99.99
SALE PRICE
: $79.99
SALE PRICE
: $99.99
Average Rating:
5
of 5
Total Reviews:
3
CLICK HERE TO WRITE A REVIEW »
0 of 0 people found the following review helpful:
Drop in and go
April 11, 2021
: Lynn Umphries from Terre Haute, IN United States
Super fast delivery. I don't think they could have been faster on a holiday weekend. Dropped it in and sent them down without an issue. Great buy!
Was this review helpful to you?
0 of 0 people found the following review helpful:
Upper
February 23, 2021
: Michael Campbell from Winchester , VA United States
It’s great so have the ability to buy a complete upper.
Was this review helpful to you?
0 of 0 people found the following review helpful:
Awesome!
April 1, 2018
: Justes D
Outstanding shipping time, arrived sooner than the rest of my other parts i ordered from other sites
Was this review helpful to you?
0.00
0.00
14.99
14.99
0.00
0.00
14.99
0.00
0.00
4.99
0.00
4.99
14.99
29.99
39.99
19.99
14.99
19.99
24.99
24.99
0.00
0.00
74.99
94.99
94.99
164.99
164.99
164.99
0.00
11.99
17.99
Get on the list
& get exclusive deals
Enter your email address for special offers from MAS Defense LLC
© Copyright 2013 -
MAS Defense LLC. All Rights Reserved.