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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
ROOK TACTICAL
SB TACTICAL
SHOCKWAVE - KAK
SYLVAN ARMS
UTG / LEAPERS
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
9MM
5.25" 9MM
8.3" 9MM
11" 9MM
16" 9MM
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
9MM BARRELS
AR-15 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
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
POLYMER 80% LOWERS
FORGED 80% LOWERS
BILLET 80% LOWERS
AR-9 LOWER 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
GLOCK
GLOCK SLIDE PARTS
GLOCK BARRELS
G26 BARRELS
G19 BARRELS
G17 BARRELS
G34 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
80% FRAMES & 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 UPPER PARTS
SIG P320 FRAME PARTS
80% INSERTS & JIGS
SIGHTS
SIGHTS
OPTICS
TOOLS
TOOLS
KNIVES
SWAG
Return to POLYMER80 AR-15 RHINO RL556V3 80% POLYMER LOWER RECEIVER GRAY - P80-BK556V3-GRY
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0 of 0 people found the following review helpful:
Love my new P80 Polymer lower!
April 25, 2024
: David from Cleveland, GA United States
Just finished my P80 polymer lower and it turned out absolutely amazing! I love the grey with black hardware it really sets it off! This baby is going to be tricked out with every carbon fiber option available along with a pencil barrel so it should be the lightest AR in the world! Lol
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0 of 0 people found the following review helpful:
P80
November 12, 2023
: Erc from Us
Product came in perfect condition and shipping was extremely fast. 2 days from ordering
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0 of 0 people found the following review helpful:
P80
September 29, 2023
: from IN United States
It shipped fast and got here in no time. The p80 80% lower is great and looks good too!
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0 of 0 people found the following review helpful:
Polymer lower
June 28, 2023
: David godbee from pensacola, FL United States
The reciever was nice it was easy to mill just one thing make sure u have a drill press or drill stand I struggled with mine as I did it all by hand
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0 of 0 people found the following review helpful:
80 lowers
April 7, 2023
: John
P80 blanks are good and never an issue. Great staff at mas defense and very dedicated! That’s a given, but they shipped order fast and got to me quickly. I just wish they could sell me some initiative to get to work on them…
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0 of 0 people found the following review helpful:
Great product
August 26, 2022
: Steven Davis from Sierra Vista, AZ United States
Looking to build a 300 blackout pistol and this will do great for it. Plus MAS has best prices and fastest shipping, just cannot go wrong.
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0 of 0 people found the following review helpful:
Excellent 80% lower
August 23, 2022
: Richard Lobrecht from Pearland, TX United States
Package was received quickly, faster than expected.
The lower itself is well formed, and the tools/jig are excellent. Instructions are on the P80 website, but could use some additional detail or even a video.
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0 of 0 people found the following review helpful:
Awesome service
August 19, 2022
: O. Sanchez from Philadelphia, PA United States
Order this lower and it came in less that a week. The item is exactly what I expected awesome service all around always with MAS, will continue to order from here.
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0 of 0 people found the following review helpful:
Fast shipping and competitive prices
August 19, 2022
: Bazookawang from Yormums Bum , wi
I like the color and was pleasantly surprised by how beefy it is for a polymer lower plus for the price couldn't go wrong and it should also be good practice before moving to aluminum . Thanks again MAS
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0 of 0 people found the following review helpful:
80% polymer
August 15, 2022
: Jamie Willis from Warren, MI United States
Great business to deal with!!!!!
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