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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 M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - PHOSPHATE CHROME
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0 of 0 people found the following review helpful:
January 12, 2020
: Justin Hendrickson from Edna, TX United States
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0 of 0 people found the following review helpful:
Excellent BCG
January 7, 2020
: David Owens from Williamsburg , VA United States
Couldn’t be happier with the BCG. Cost effective and functional.
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0 of 0 people found the following review helpful:
December 20, 2019
: Trevor Hall from Woodstock, GA United States
Quality, very clean and smooth, no sharp edges.
Functions properly.
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0 of 0 people found the following review helpful:
Hardly found the blemish...
August 14, 2019
: from Lavergne, TN United States
Great looking MPI bolt. Prefer just mpi as I dont want my bolt to have fired a proof round before I even get it. Only blemish was a bit of uneveness in the coating under the carrier. Already came with the improved reliability O ring as well. Very impressed.
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0 of 0 people found the following review helpful:
300 Blackout BCG
April 13, 2019
: Justin
So far so good. Have not got much shooting done with it yet but I like it so far.
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0 of 0 people found the following review helpful:
February 17, 2019
: KYLE SENETTE from Ellerslie, GA United States
Great product as always
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0 of 0 people found the following review helpful:
Bolt Carrier Group
February 12, 2019
: Rafael Rivera from Orlando, FL United States
Excellent customer service, my order was misplaced
/ miss sent by USPS to California, not Florida and MAS Defense customer service was able to track it down and got it to me in 3 days after my call.
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0 of 0 people found the following review helpful:
True M16 BCG
January 31, 2019
: Aaron Pleasanton from Boynton Beach, FL United States
You gotta be careful buying replacement parts online. Many .223/5.56 BCGs have been neutered for operation only in a semi automatic rifle. This part is legit. Operates perfectly in a full auto M16 rebuild. Looking forward to doing business with them again.
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0 of 0 people found the following review helpful:
October 26, 2018
: joe sugg from mooresville nc, NC United States
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0 of null people found the following review helpful:
BCG
July 30, 2018
: Nathan S.
This is the second time I have bought this bolt carrier group an there will be a third ! Thank you for your amazing parts MAS defense
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