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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 .875 LOW PROFILE GAS BLOCK - STEEL MELONITE NITRIDE
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0 of 0 people found the following review helpful:
Gas Block
July 31, 2016
: Devin E
Fit my barrel perfectly.
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0 of 0 people found the following review helpful:
Low-pro gas block
July 30, 2016
: Jerrett M
Excellent fit and finish. Bought this with the 15 inch slim handguard and couldn't be happier!
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0 of 0 people found the following review helpful:
Gas block
March 12, 2016
: Glenn Y
Good product and price, worked well
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0 of 0 people found the following review helpful:
.875 LOW PROFILE GAS BLOCK - STEEL MELONITE
February 28, 2016
: joe h
great parts, no other company even comes close to the fast shipping these guys have.
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0 of 0 people found the following review helpful:
Came pinned to the gas tube
February 16, 2016
: Jed D
Mas saved me a step and pinned this block to the tube for me! The tolerances on this block are VERY tight. Just as they should be. Makes an awesome block for your next AR build.
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0 of 0 people found the following review helpful:
Works great
February 10, 2016
: Clayton R
Gas block worked just as it should. And it came with the gas tube already attached since I ordered both at the same time. I will be buying again.!
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0 of 0 people found the following review helpful:
Great Product
October 31, 2015
: William H
Gas block fit nice and snug , slide right under hand guard ,Great service and quick shipping from MAS will be buying more from them
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0 of 0 people found the following review helpful:
Excellent quality made gas block.
June 30, 2015
: Jordan S
Purchased this with a Nitride gas tube. Great product, excellent quality and the folks at MAS defense went ahead and pinned the gas tube and block together before shipping so all I had to do was install it and go. I love this company, little things go a long way with me and saving me time does too. Can't say enough good things about MAS Defense. All their products are quality made and always to spec and the price is always great.
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0 of 0 people found the following review helpful:
Gas block
June 6, 2015
: Thomas C
very satisfied w the gas block Excellent quality
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0 of 0 people found the following review helpful:
.875 Gas Black
June 3, 2015
: Robert M
This is my first AR build. The .223 Wylde Bull Barrel I purchased from MAS seems decent enough, won't know till I get it to the range. The Gas Block however wouldn't fit. I measured with a precision caliper to be .871. Tried heating the Block and freezing the barrel, no dice. No big deal for me, I had a Brake Cylinder honing tool I've had for 35 years that polished out the Gas Block bore in less than five minutes. Now, it fits perfectly!
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