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***MAS DEFENSE***
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MISSION FIRST TACTICAL
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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
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1/2 x 28 TPI
1/2 x 36 TPI
5/8 x 24 TPI
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80% LOWERS
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AR-10 HANDGUARDS
AR-10 GAS BLOCK / GAS TUBES
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76% - 80% FRAMES & JIGS
P80 JIGS
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***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
Return to MAS DEFENSE AR-10 .308 DPMS GEN 1 HIGH PROFILE BILLET UPPER RECEIVER - BLACK
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0 of 0 people found the following review helpful:
Great product
March 22, 2024
: Lawrence Jones
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0 of 0 people found the following review helpful:
On point as always
October 4, 2023
: B Sing from Huntersville, NC United States
Pick this up to enhance a build. Great price point and well made. As always the communication and shipping is well received and quick. MAS Defense is a great go to company for quality parts and price.
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0 of 0 people found the following review helpful:
Great stripped upper
August 9, 2023
: Anthony S from ROBERTSVILLE, MO United States
This stripped upper lookes well made. Matches the MAS lower very well. Was shipped very fast with no issues @ a great price. Well definitely purchase again.
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0 of 0 people found the following review helpful:
DPMS
July 8, 2023
: Michael Kane from Gray, ME United States
SO I have been waiting to see this product for a while. Got the email it was in stock GREAT. had questioned that they answered quickly and accurately. Best help and service and great price. But mostly the knowledge was key. Thanks again..MAS
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0 of 0 people found the following review helpful:
Upper
June 27, 2023
: Richard Choate from MINERAL WELLS, TX United States
Ordered a matching upper for my 80% lower. Can’t wait to order more parts from MasDefense to complete my AR10 build
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0 of 0 people found the following review helpful:
Very happy
April 12, 2022
: George Kappel from Abilene, KS United States
This was my first purchase.
Service was the best!!
Keep up the great job!
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0 of 0 people found the following review helpful:
July 23, 2020
: Bruce Marshall from BATAVIA, OH United States
Quality product at a good price
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0 of 0 people found the following review helpful:
Wonderful fit.
July 19, 2020
: Michael Pullin from Jenkinsburg, GA United States
It was on time delivery , ot fits wonderfully on my DPMS Lower.
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0 of 0 people found the following review helpful:
AR10 308 upper assy less forward assist
March 14, 2020
: Ralph Millard from Las Vegas, NV United States
The delivery was verry, verry repid.
The finish and fit were A1.
Also, the pricing was in line with the quality.
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0 of 0 people found the following review helpful:
Exactly as described
February 5, 2020
: Chad Amiot from Salem, VA United States
This upper is machined very well and has precise tolerances, which are not too tight. It fits great on my 80 percent lower and the BCG appears to run smooth.
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