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***SALES & SPECIALS***
BLEM SALE
MAS DEFENSE
BALLISTIC ADVANTAGE
FAXON FIREARMS
FRANKLIN ARMORY
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
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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
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18" .223 WYLDE
20" .223 WYLDE
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7.5" 300 AAC BLACKOUT
8.5" 300 AAC BLACKOUT
10.5" 300 AAC BLACKOUT
16" 300 AAC BLACKOUT
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8.3" 9MM
11" 9MM
16" 9MM
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.223 WYLDE BARRELS
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ALL HANDGUARDS
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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
TRIGGERS
GRIPS
STOCKS - PISTOL BRACES
PISTOLS - ARM BRACES
RIFLES - STOCKS
80% LOWERS
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FORGED 80% LOWERS
BILLET 80% LOWERS
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HOME
>
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AR-15 BARRELED UPPERS
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300 BLACKOUT
>
6" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 7.25" M-LOK RAIL
Alternative Views:
MSRP
: $427.00
Our Price
: $364.99
SALE PRICE
: $
279.99
Price with Selected Options
:
$279.99
Stock Status
:
In Stock
Product Code:
MAS-063B1-MDNM-07
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:
6" 300 BLK 1X7 MAS DEFENSE 4150V MELONITE - MAS00124006
Handguard Options:
MAS DEFENSE 7.25" NERO M-LOK FREE FLOAT - BLACK
MAS DEFENSE 7.25" NERO M-LOK FREE FLOAT - FLAT DARK EARTH (c) [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:
FLASH CAN "SLIM" MUZZLE DEVICE - 5/8x24
FLASH CAN "SLIM LONG" MUZZLE DEVICE - 5/8x24 [Add $4.99]
***ON SALE - Choose a Bolt Carrier Group:
Options:
AR-15 AUTO PROFILE MELONITE NITRIDE BCG - MAS00103208 [Add $79.99]
AR-15 AUTO PROFILE HYBRID GOLD TITANIUM (TiN) BCG - MAS00103214 [Add $84.99]
AR-15 AUTO PROFILE HYBRID NICKEL BORON BCG - MAS00103210 [Add $84.99]
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
6" 300 BLACKOUT BARRELED UPPER - MAS NERO 7.25" M-LOK 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
- 6" 300 AAC Blackout 1x8 4150 CrMoV Melonite Nitride Treated Steel
3. Handguard
- MAS Defense "NERO" 7.25" Slimline M-LOK Free Floating Handguard - (ID 1.25"). Click "Handguard Options" above for FDE.
4. Gas Block
- .750 Low Profile Steel Melonite Nitride Treated Gas Block
5. Gas Tube
- Pistol Length Stainless Steel Gas Tube
6. Muzzle Device
- Flash Can Slim
Bolt Carrier Groups and Charging Handles can be added at a discounted price by selecting the applicable drop down box above. 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
M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - MELONITE NITRIDE
FORGED CHARGING HANDLE AR-15 - STANDARD TACTICAL LATCH
M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - HYBRID NICKEL BORON
M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - HYBRID GOLD TITANIUM NITRIDE (TiN)
SALE PRICE
: $79.99
Our Price
:
$24.99
SALE PRICE
: $99.99
SALE PRICE
: $99.99
Average Rating:
5
of 5
Total Reviews:
5
CLICK HERE TO WRITE A REVIEW »
0 of 0 people found the following review helpful:
Looks good
March 10, 2023
: Adam Ochoa from Fresno, CA United States
Product looks as advertised. Haven't had a chance to shoot it yet but looking forward to it
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0 of 0 people found the following review helpful:
Wanted the shortest configuration possible
February 18, 2023
: Kory Richards from Bethel , VT United States
Found it in the 6†300 BO AR-15 barreled upper Mas Defense Nero!!
Perfect match with a Can!
Was this review helpful to you?
0 of 0 people found the following review helpful:
Looks good
September 20, 2021
: from Ohio
Haven't shot yet but looks like a well put together upper for a good price with quick shipping, thanks!
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0 of 0 people found the following review helpful:
Looker
March 4, 2021
: Jorge Perez from Corpus Christi, TX United States
Love this upper...makes the gun look mean.
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0 of 0 people found the following review helpful:
6†300 blk upper
February 10, 2021
: from Roanoke, VA United States
Upper came pretty quick, looks awesome, love it. Haven’t shot it yet. The only bad was it was on back order for a while . But worth the wait
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14.99
14.99
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14.99
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4.99
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4.99
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84.99
84.99
164.99
164.99
164.99
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17.99
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