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***MAS DEFENSE***
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MISSION FIRST TACTICAL
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14.5" 5.56 NATO
16" 5.56 NATO
18" 5.56 NATO
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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
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1/2 x 28 TPI
1/2 x 36 TPI
5/8 x 24 TPI
THREAD CONVERTERS
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LOWER PARTS AND KITS
GRIPS
STOCKS - PISTOL BRACES
PISTOLS - ARM BRACES
RIFLES - STOCKS
80% LOWERS
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AR-10 BARRELED UPPERS
AR-10 UPPER PARTS
AR-10 UPPER RECEIVERS
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AR-10 BCG's / CHARGING HANDLES
AR-10 HANDGUARDS
AR-10 GAS BLOCK / GAS TUBES
AR-10 MUZZLE DEVICES
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AR-10 LOWER PARTS KITS
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AR-10 80% LOWERS
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GLOCK SLIDE PARTS
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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 POLYMER80 PF-SERIES REAR RAIL MODULE (RRM) - P80-PF940-RRM
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0 of 0 people found the following review helpful:
P80 rear rail module
October 30, 2024
: from United States
These guys having this in stock was a life saver for my serialized p80 frame that came with the wrong one! I was not able to get a hold of the part from anybody else and Mas Defense came through. Price was good and shipping was super fast! I will be doing business with them again!
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0 of 0 people found the following review helpful:
Polymer pf80 rear rail
October 23, 2024
: Greg Cole from Sparks, NV United States
Quality part fast shipping
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0 of 0 people found the following review helpful:
Excellent Review
October 17, 2024
: Cameron Brown from St.Louis, MO United States
This website is excellent the product always comes on time for me they even send stickers with the receipt to further there business just a all around great website 10/10
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0 of 0 people found the following review helpful:
Great part
October 16, 2024
: Charlie Jones from Independence, MO United States
We have installed numerous of rear rails on different builds. These are superior to the 2 piece rear rails due to the one piece also indicates when the rear trigger assy pocket is cut out enough
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0 of 0 people found the following review helpful:
P80 parts
October 4, 2024
: John Lancaster from Prospect, TN United States
I'm grateful that MAS Defense has these parts in stock.
This particular part was needed to complete my build, and it is of the highest quality.
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0 of 0 people found the following review helpful:
RRM P80-PF940
October 2, 2024
: Thomas Fair from Jeffersonville, IN United States
The rear rail module I received arrived ahead of schedule. It came with 2 pins for secring to the frame.The packaging was appropriate for the item . MAS Defense met my goals with the parts. I am making the finally assemblies of the frame and getting it into service.
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0 of 0 people found the following review helpful:
September 9, 2024
: Maroney Williams from Longview, TX United States
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0 of 0 people found the following review helpful:
August 16, 2024
: Thomas Ramsey from Plano, TX United States
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0 of 0 people found the following review helpful:
Hastle free ordering and timely delivery.
July 23, 2024
:
Parts came as expected and even a little early. Wish the shipping labels didn't reflect the sellers name. Hate explaining to my girlfriend why I'm buying more gun parts....lol
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0 of 0 people found the following review helpful:
Perfect
July 8, 2024
: Seth Thomas from Warren, OH United States
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