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20" .223 WYLDE
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6" 300 AAC BLACKOUT
7.5" - 8" 300 AAC BLACKOUT
8.5" - 9" 300 AAC BLACKOUT
10.5" 300 AAC BLACKOUT
16" 300 AAC BLACKOUT
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5.5" 9MM
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7" CARBINE
9"-10" SPECTER
11"-13" RIFLE
15"+ EXT RIFLE
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MUZZLE DEVICES
1/2 x 28 TPI
1/2 x 36 TPI
5/8 x 24 TPI
THREAD CONVERTERS
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80% LOWERS
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AR-10 UPPER RECEIVERS
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AR-10 BCG's / CHARGING HANDLES
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*** SALES & SPECIALS ***
BLEM SALE
MAS DEFENSE
5D TACTICAL
BALLISTIC ADVANTAGE
FAXON FIREARMS
HOLOSUN OPTICS
MAGPUL
MISSION FIRST TACTICAL
NORSSO GLOCK SLIDES
POLYMER80
SB TACTICAL
SYLVAN ARMS
UTG / LEAPERS
BRANDS
MAS DEFENSE
A - M
5D TACTICAL
AERO PRECISION
BALLISTIC ADVANTAGE
BLACKHAWK
CMC TRIGGERS
DEL-TON
FAXON FIREARMS
FRANKLIN ARMORY
HOLOSUN
MAGPUL
MISSION FIRST TACTICAL
N - Z
NORSSO GLOCK SLIDES
NEW FRONTIER
NORTH SIDE KNIVES
POLYMER80
ROCK RIVER ARMS
SB TACTICAL
SHOCKWAVE - KAK
SYLVAN ARMS
UTG / LEAPERS
AR-15
AR-15 BARRELED UPPERS
5.56 NATO / .223
7.5" - 8" 5.56 NATO / .223
10.5" 5.56 NATO / .223
11.5" 5.56 NATO / .223
13.7" 5.56 NATO / .223
14.5" 5.56 NATO / .223
16" 5.56 NATO / .223
18" 5.56 NATO / .223
.223 WYLDE
16" .223 WYLDE
18" .223 WYLDE
20" .223 WYLDE
300 BLACKOUT
6" 300 AAC BLACKOUT
7.5" - 8" 300 AAC BLACKOUT
8.5" - 9" 300 AAC BLACKOUT
10.5" 300 AAC BLACKOUT
16" 300 AAC BLACKOUT
9MM
5.5" 9MM
8" 9MM
11" 9MM
16" 9MM
AR-15 BUILD KITS
AR-15 UPPER PARTS
UPPER RECEIVERS
BARRELS
5.56 NATO BARRELS
.223 WYLDE BARRELS
300 BLACKOUT BARRELS
9MM BARRELS
BCG's / CHARGING HANDLES
BOLT CARRIER GROUPS
CHARGING HANDLES
HANDGUARDS
ALL HANDGUARDS
ACCESSORIES
DROP IN
4"-5" PISTOL
7" CARBINE
9"-10" SPECTER
11"-13" RIFLE
15"+ EXT RIFLE
GAS BLOCKS / TUBES
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
TRIGGERS
GRIPS
STOCKS - PISTOL BRACES
ACCESSORIES
PISTOL ARM BRACES
STOCKS
80% LOWERS
POLYMER 80% LOWERS
FORGED 80% LOWERS
BILLET 80% LOWERS
AR9 80% LOWERS & PARTS
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
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ACCESSORIES
GLOCK UPPER PARTS
GLOCK BARRELS
GLOCK 19 BARRELS
GLOCK 17 BARRELS
GLOCK 34 BARRELS
GLOCK 23 BARRELS
GLOCK 22 BARRELS
GLOCK SLIDES & PARTS KITS
GLOCK 43 SLIDES & PARTS
GLOCK 19 SLIDES & PARTS
GLOCK 17 SLIDES & PARTS
GLOCK MUZZLE DEVICES
GLOCK LOWER PARTS
GLOCK FRAME PARTS
GLOCK TRIGGERS
GLOCK 80% LOWERS
GLOCK 43 80% LOWERS
GLOCK 19/23/32 80% LOWERS
GLOCK 17/22 80% LOWERS
GLOCK 20/21 SF 80% LOWERS
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TOOLS
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HOME
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AR-15 BARRELED UPPERS
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5.56 NATO / .223
>
11.5" 5.56 / .223 AR-15 BARRELED UPPER - MAS DEFENSE SQUADRON 9.87" LIGHTWEIGHT QUAD RAIL
Alternative Views:
RETAIL
: $383.00
Our Price
: $337.99
SALE PRICE
: $
287.99
Price with Selected Options
:
$287.99
Stock Status
:
In Stock
Product Code:
MAS-115N2-MDSQ-10
Upper Receiver Options:
MAS DEFENSE AR-15 FORGED UPPER RECEIVER
MAS DEFENSE AR-15 FORGED - SLICK SIDE - NO FWD ASSIST
AERO PRECISION AR-15 FORGED - SLICK SIDE - NO FWD ASSIST - FLAT DARK EARTH - APAR610411AC [Add $24.99]
AERO PRECISION AR-15 FORGED UPPER RECEIVER - FLAT DARK EARTH - APAR501801AC [Add $24.99]
Barrel Options:
11.5" 5.56 / .223 1X7 MAS DEFENSE GOVT PROFILE 4150V MELONITE - MAS00120406
11.5" 5.56 / .223 1X7 BALLISTIC ADVANTAGE GOVT PROFILE 4150V MELONITE - BABL556023M [Add $19.99]
Handguard Options:
MAS DEFENSE 9.87" SQUADRON LIGHTWEIGHT QUAD RAIL - BLACK
Gas Block Options:
.750 LOW PROFILE GAS BLOCK - STEEL MELONITE NITRIDE
Gas Tube Options:
CARBINE GAS TUBE
CARBINE GAS TUBE - MELONITE NITRIDE [Add $4.99]
Muzzle Device Options:
A2 FLASH HIDER - 1/2x28
A2 STAINLESS STEEL FLASH HIDER - 1/2x28 [Add $9.99]
A2 MUZZLE COMPENSATOR - 1/2x28 [Add $4.99]
LINEAR COMPENSATOR - 1/2x28 [Add $14.99]
3C MUZZLE BRAKE MELONITE NITRIDE - 1/2x28 [Add $29.99]
FLASH CAN - 1/2x28 [Add $19.99]
FLASH CAN "SLIM SHORT" MUZZLE DEVICE - 1/2x28 [Add $14.99]
FLASH CAN "SLIM" - 1/2x28 [Add $19.99]
FLASH CAN "SLIM LONG" - 1/2x28 [Add $24.99]
KNURLED THREAD PROTECTOR - 1/2x28
Qty:
DESCRIPTION
11.5" 5.56 / .223 BARRELED UPPER - MAS SQUADRON 9.87" LIGHTWEIGHT QUAD RAIL
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
- 11.5" 5.56 / .223 Barrel. Click on the drop down above to choose from our selection.
3. Handguard
- MAS Defense Squadron 9.87" Lightweight Quad Rail - (ID 1.8")
4. Gas Block
- .750 Low Profile Steel Melonite Nitride Treated Gas Block
5. Gas Tube
- Carbine 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 - G2 TACTICAL LATCH
M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - ION GOLD TITANIUM NITRIDE (TiN)
FORGED CHARGING HANDLE AR-15 - DUAL PULL AMBIDEXTROUS GEN 2
FORGED CHARGING HANDLE AR-15 - DUAL PULL AMBIDEXTROUS GEN 3
Our Price
:
$24.99
Our Price
:
$164.99
Our Price
:
$24.99
Our Price
:
$24.99
FORGED CHARGING HANDLE AR-15 - STANDARD TACTICAL LATCH
M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - MELONITE NITRIDE
M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - NICKEL BORON
SALE PRICE
: $19.99
SALE PRICE
: $109.99
SALE PRICE
: $129.99
Average Rating:
5
of 5
Total Reviews:
2
CLICK HERE TO WRITE A REVIEW »
0 of 0 people found the following review helpful:
Awesome Work
February 9, 2022
: Zouheir from CA, United States
Loved the way it came out. Bought my second upper from Mas Defense. Can’t wait to see what else you guys can do.
Was this review helpful to you?
0 of 0 people found the following review helpful:
Spot on!
April 1, 2020
: Jason Hoyle from Bryson City, NC United States
Great quality. One of the best company out there!!! Extremely fast shipping!!!
Was this review helpful to you?
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