Skip to content
Menu
BJ Firearms LLC
About
Blog
Cart
Checkout
Contact
Home
My account
Refund and Returns Policy
Shop
156
2 x Ammo Inc Signature 9mm Luger Handgun Ammo - 124 Grain | TMC | 50rd Box
$16
2 x GLK MAG POUCH 10MM/45AP
$8
1 x HENRY REPEATING ARMS GARDEN GUN 22LR BL/WD 18.5"
$419
1 x Hornady Lead Round Ball .45 cal .440" 100/ct
$12
1 x DANIEL DEFENSE VERTICAL FOREGRIP BLACK
$34.0
1 x RUGER BX-MAGAZINE DUST COVER 3 PACK
$9
1 x PMC Bronze .380 ACP Handgun Ammo - 90 Grain | FMJ | 50rd Box
$21
1 x Speer Plastic Training Cartridges .38 cal 50/ct
$12
1 x Bulldog Black Deluxe Padded 1" Rifle Sling Black
$13.99
3 x PMC X-TAC 5.56NATO Rifle Ammo - 62 Grain | LAP | 20rd Box
$11
4 x Aguila Ammunition .30 Carbine Rifle Ammo - 110 Grain | FMJ | 50rd Box
$37
2 x Ammo Inc Signature Hunt .308 Win Rifle Ammo - 165 Grain | Super Shock Tip | 20rd Box
$35
2 x Hornady Die Box - Large (Dies Shown Not Included)
$10
1 x SIG WHISKEY4 2.5-10X42 QUAD
$240
1 x RGD MUZZLE SHIM KIT 1/2X28
$8
2 x Armscor 30-06 Springfield Rifle Ammo - 165 Grain | AccuBond | 20rd Box
$29
4 x Armscor .270 Win Rifle Ammo - 140 grain | AccuBond | 20rd Box
$32
1 x SAVAGE ARMS 64 TAKEDOWN SEMI-AUTO 22LR
$262
3 x FN AMMO 30GR 5.7 JHP 500RD CASE
$365
1 x OTI CLEANING KIT ELITE
$150
1 x SIG SAUER GRIP ASY 365XL MAN SAFETY BLK
$80
1 x Otis Technology Pack of 100 Small Caliber 2" Cleaning Patches
$8
1 x Hornady Shell Holder #5 - 7mm Remington Magnum/.300 Winchester Magnum/.338 Winchester Magnum
$6
1 x PMC Bronze 9mm Luger Handgun Ammo - 115 Grain | FMJ | 50rd Box
$15
1 x CHIAPPA FIREARMS LA322 TD CARBINE 22LR 18.5"
$378
1 x RCBS Lube-A-Matic Top Punch .378
$13
1 x SAVAGE ARMS RASCAL 22LR SGL-SHOT CMPT BLUE
$158
1 x Hornady Traditional Rifle Bullets 30 Cal .308 150 GR SP INTERLOCK (25 CT)
$7
2 x PMC X-TAC 7.62NATO Rifle Ammo - 147 Grain | FMJ-BT | 20rd Box
$21
1 x PMC X-TAC 5.56NATO Rifle Ammo - 55 Grain | FMJ-BT | 20rd Box
$11
2 x KEYSTONE SPORTING ARMS BLACK SLING FOR CRICKETT RIFLE
$21
1 x PMC Bronze 7.62x39 Rifle Ammo - 123 Grain | FMJ | 20rd Box
$18
1 x Aguila Ammunition 12ga Birdshot 2.75 inch Shotgun Shells - #6 Shot | 1-1/8oz | 1200 fps | 250rd Case
$112
4 x Otis Technology .45 Caliber Brush / Mop Combo Pack
$4
1 x RCBS Lube-A-Matic Top Punch .518
$13
1 x Ammo Inc Signature Defense 10mm Handgun Ammo - 180 Grain | JHP | 20rd Box
$20
1 x Blue Force Gear UWL (Universal Wire Loop) 6.25" Wire Length Black
$33.95
1 x Butler Creek Easy Rider Shotgun Sling
$12
1 x WINCHESTER XPERT SR 22LR 16.5" BL/SY TB
$327
1 x Blue Force Gear ULoop 1" Webbing Slot Black
$19.95
2 x Ammo Inc Signature Hunt .308 Win Rifle Ammo - 150 Grain | Super Shock Tip | 20rd Box
$33
2 x Armscor 243 Win. Rifle Ammo - 90 Grain | AccuBond | 20rd Box
$29
1 x SWA SGL POINT SLING
$23
1 x WILSON COMBAT QUELL 9MM SILENCER BLK
$1029.95
2 x Aguila Ammunition .270 Win Rifle Ammo - 130 Grain | Soft Point | 20rd Box
$29
1 x Aguila Ammunition 28ga Birdshot 2.75 inch Shotgun Shells - #6 Shot | 1oz | 1200 fps | 25rd Box
$20
1 x Otis Technology Pack of 3 Blue / White AP Brushes
$4
1 x Otis Technology 12 Gauge Brush / Mop Combo Pack
$5
1 x Armscor 30-30 Win. Rifle Ammo - 170 Grain | Flat Point | 20rd Box
$29
1 x Rival Arms Guide Rod for Glock Model 17/22/34/35 GEN3 Stainless Steel
$29.99
1 x RCBS Lube-A-Matic Top Punch .680
$13
1 x RCBS Lube-A-Matic Top Punch .632
$13
1 x Butler Creek Utility Nylon Sling
$11
2 x Otis Technology .30 Caliber Brush / Mop Combo Pack
$4
1 x SPRINGFIELD ARMORY HELLION 5.56 BLK 20" 10+1 CA
$1911
1 x PMC Bronze .44 Magnum Handgun Ammo - 180 Grain | JHP | 25rd Box
$25
1 x Aguila Ammunition 30-30 Win Rifle Ammo - 150 Grain | Soft Point | 20rd Box
$29
1 x KEYSTONE SPORTING ARMS CRICKETT SPACER KIT BLACK
$13
1 x Aguila Ammunition Target 12ga Birdshot 2.75 inch Shotgun Shells - #8 Shot | 1-1/8oz | 1200 fps | 250rd Case
$110
1 x Atlanta Arms Specialty Cartridge .224 55GR FMJ Bullets 100/ct
$12
1 x Lyman Primer Pocket Cleaner - Large
$12
1 x BRZ ROSSI RB22 COM RFL 16B 10
$183
1 x STREAMLIGHT TLR-1S 300LM SCRW MNT BLK
$140
1 x Lee Taper Crimp Die 10mm
$11
2 x PMC X-TAC Match .223 Remington Rifle Ammo - 77 Grain | OTM | 20rd Box
$25
1 x Otis Technology 260 Cal / 264 Cal / 6.5mm 36" Rifle Ripcord
$12
1 x SIMMONS OPTICS 8 POINT 6-18X50 TRUPLEX W/RNGS
$115
1 x Uncle Mike's Plain Black Cartridge Slide Handgun
$12
2 x SAV RASCAL 22LR BA RFL WOOD
$248
1 x Otis Technology Patriot Series .22 Rimfire / .220 / .22-250 Pistol Cleaning Kit
$11
1 x Huxwrx FLOW 6K + Flash Hider - Black
$1125.0
1 x RCBS Lube-A-Matic Top Punch .550
$13
1 x PMC Bronze .40 S&W Handgun Ammo - 165 Grain | FMJ-FP | 50rd Box
$20
1 x Lee Taper Crimp Die .38/.357 cal
$11
1 x RCBS Single Stage Shell Holder #4 Size
$10
1 x Lee Taper Crimp Die .44 Special/.44 Mag
$11
1 x Aguila Ammunition .308 Win Rifle Ammo - 150 Grain | Soft Point | 20rd Box
$29
1 x RADIAN WEAPONS RAPTOR SD CHARGING HANDLE ODG
$139.95
2 x Ammo Inc Target and Range 9mm Luger Handgun Ammo - 115 Grain | FMJ | 50rd Box
$14
1 x KEYSTONE SPORTING ARMS SLING FOR CRICKETT RIFLE PINK
$21
1 x RC CASE NECK BRUSH LARGE
$4
1 x Lee Taper Crimp Die .45 ACP
$11
1 x Aguila Ammunition Target 12ga Birdshot 2.75 inch Shotgun Shells - #8 Shot | 1-1/8oz | 1200 fps | 25rd Box
$12
1 x RITON OPTICS 1 CONQUER 6-24X50 1" R3 ZST
$249.0
1 x Lee Quick Change Drum Set
$16
1 x CTC BRSHLN 3-9X50MM BDC SFP
$189.95
1 x Lyman Pocket Touch 1500 Electronic Reloading Scale Kit
$31
1 x Lyman E-ZEE Trim Pilot for E-ZEE Trimmer .338 Lapua
$7
1 x SIG SAUER GRIP ASY 320 CARRY LG BLACK MS
$63
1 x Lee Factory Rifle Crimp Die .45-70 Gov't
$13
1 x WILSON COMBAT GRIP MOD WCP365 XMACRO GREEN
$77.95
1 x Aguila Ammunition Sporting 12ga Birdshot 2.75 inch Shotgun Shells - #7.5 Shot | 1oz | 1325 fps | 250rd Case
$108
1 x Lyman Bleacher Loading Block for Rifle .485 Hole Size - 50/rds
$8
1 x Aguila Ammunition 9mm Luger Handgun Ammo - 115 Grain | FMJ | 50rd Box
$15
1 x PYM VG TAC DRONE 2.0 ODG/CLR
$17
1 x Otis Technology 10mm / 40 Cal 36" Pistol Ripcord
$12
1 x MEC Drop Tube - 12ga & 20ga
$2
1 x Aguila Ammunition 6.5 CREEDMOOR Rifle Ammo - 129 Grain | Soft Point | 20rd Box
$29
1 x LEG CIT TRAKR 22LR 18B 10R FDE
$189
1 x PMC Bronze .308 Winchester Rifle Ammo - 150 Grain | SP | 20rd Box
$25
1 x ATI 12ga Game Load 2.75 inch Shotgun Shells - #7.5 | 1 oz. | 1180 fps | 1 Case (10 boxes/250rds)
$122
1 x Hornady G3-1500 Digital Scale
$62
1 x Anderson Manufacturing Carbine Length Buffer
$12
1 x Rival Arms Guide Rod for Glock Model 19 GEN4 Stainless Steel
$49.99
1 x Aguila Ammunition 22-250 Rem Rifle Ammo - 60 Grain | Soft Point | 20rd Box
$29
1 x RITON OPTICS 3 PRIMAL 4-16X44 30MM DHR
$379.0
1 x Hodgdon Triple Seven Pellets - .50 cal 50 gr Pellets - 100/ct
$46
1 x Accurate 4100 Handgun Powder 1 lbs
$38
1 x Atlanta Arms Specialty Cartridge .355 9mm 115GR FMJ Bullets 100/ct
$13
1 x SKY MD-4 HLST SNG STK SUBC MOD
$27.95
1 x SMITH AND WESSON M&P15-22 SPORT OR 22LR 25+1
$518
1 x SIG SAUER GRIP ASY 365XL STANDARD BLUE
$80
1 x Pro Gold 10cc Syringe
$8
1 x Otis Technology Patriot Series 30 Cal Rifle Cleaning Kit
$19
1 x Ammo Inc Signature Target .32 ACP Handgun Ammo - 71 Grain | TMC | 50rd Box
$21
1 x WINCHESTER WILDCAT 22LR 18" BK/OD AS RL #
$243
1 x DEAD AIR ARMAMENT SANDMAN 7.62 FRONT CAP
$49
1 x RCBS Lube-A-Matic Top Punch .520
$13
1 x SUREFIRE SOCOM556-MINI GEN2 556 DE SLCR
$1169.0
1 x Aguila Ammunition PICHÓN PLUS 12ga Birdshot 2.75 inch Shotgun Shells - #7.5 Shot | 1.25oz | 1400 fps | 10rd Box
$10
1 x RUG MOON CLIPS S/RED 10MM 3PK
$13
1 x SIG SAUER GRIP ASY 365XL MAN SAFETY COY
$80
1 x RCBS Lube-A-Matic Top Punch .552
$13
1 x RCBS Lube-A-Matic Top Punch .515
$13
1 x RCBS Lube-A-Matic Top Punch .430
$13
1 x RCBS Lube-A-Matic Top Punch .562
$13
1 x WINCHESTER WILDCAT SR 22LR 16.5" VSX TB #
$304
1 x OTI BONE TOOL 223/556
$24
1 x CMMG Buffer Assembly Carbine Mk3
$45
BJ Firearms LLC
Search
Home
/
Gun Parts
/
AR Lower Parts
/
AR Buffer System
/ CMMG Receiver Extension A1
“CMMG Buffer Assembly Carbine Mk3” has been added to your cart.
View cart
CMMG Receiver Extension A1
$
42.00
CMMG Receiver Extension A1
1 in stock
CMMG Receiver Extension A1 quantity
Add to cart
SKU:
CSSI|CA55CA9B7
Category:
AR Buffer System
Description
Additional information
Description
Receiver Extension A1
Additional information
UPC
815835017334
Manufacturer
CMMG
Manufacturer Part Number
55CA9B7
Style
A1
Related products
CMMG Buffer Assembly AR15
$
17.00
Add to cart
CMMG Receiver Extension Kit Carbine AR15
$
62.00
Add to cart
Troy OEM M4 Sling Mount SMOU-M4S-00BT-00 – Black
$
42.00
Add to cart
Aero Precision AR15/AR10 Mil-Spec Carbine Buffer Tube
$
39.99
Read more
Confirm Your Age
We require users to be 18 years or older to use the site.
I'm over 18 years old
Confirm