JavaScript seems to be disabled in your browser.

You must have JavaScript enabled in your browser to utilize the functionality of this website.
Click here for instructions on enabling javascript in your browser.

Specials Featured In-Stock

Handgun Ammo
- 10mm Auto Ammo
  
  22 TCM Ammo
  
  25 ACP / Automatic Ammo
  
  284 Winchester Ammo
  
  30 Carbine Ammo
  
  30 Luger Ammo
  
  32 ACP / Automatic Ammo
  
  32 H&R Magnum Ammo
  
  32 NAA Ammo
  
  32 S&W Ammo
  
  32 S&W Long Ammo
  
  327 Federal Magnum Ammo
  
  357 Magnum Ammo
  
  357 Sig Sauer Ammo
  
  38 Long Colt Ammo
  
  38 S&W Ammo
  
  38 Short Colt Ammo
  
  38 Special Ammo
  
  38 Super Ammo
  
  380 ACP / Automatic Ammo
  
  4.6x30 H&K Ammo
  
  40 S&W Ammo
  
  400 Cor-Bon Ammo
  
  41 Magnum Ammo
  
  41 Special Ammo
  
  429 DE Magnum Ammo
  
  44 Long Colt Ammo
  
  44 Magnum Ammo
  
  44 Russian Ammo
  
  44 Special Ammo
  
  44-40 Winchester Ammo
  
  45 ACP / Automatic Ammo
  
  45 Automatic Rimmed Ammo
  
  45 Colt (LC) Ammo
  
  45 GAP / Glock Auto Ammo
  
  45 S&W Ammo
  
  454 Casull Ammo
  
  460 Rowland Ammo
  
  460 S&W Magnum Ammo
  
  480 Ruger Ammo
  
  50 Action Express Ammo
  
  50 Beowulf Ammo
  
  500 S&W Ammo
  
  500 Wyoming Express Ammo
  
  7.62mm Nagant Ammo
  
  7.62x25mm Tokarev Ammo
  
  7.63mm Mauser Ammo
  
  7.65 Parabellum Ammo
  
  7mm Magnum Ammo
  
  8x57mm (8mm Mauser) Ammo
  
  9mm Browning LONG Ammo
  
  9mm Luger Ammo
  
  9x18mm Makarov Ammo
  
  9x18mm Ultra Police Ammo
  
  9x21mm IMI Ammo
  
  9x23mm Winchester Ammo
Rifle Ammo
- 17 Hornet Ammo
  
  17 Rem Fireball Ammo
  
  17 Remington Ammo
  
  204 Ruger Ammo
  
  218 Winchester Bee Ammo
  
  22 Hornet Ammo
  
  22 Nosler Ammo
  
  22 Remington Jet Ammo
  
  22 Winchester Ammo
  
  22-250 Remington Ammo
  
  220 Swift Ammo
  
  221 Rem Fireball Ammo
  
  222 Remington Ammo
  
  223 Rem (5.56 NATO) Ammo
  
  223 WSSM Ammo
  
  224 Valkyrie Ammo
  
  224 Weatherby Mag Ammo
  
  240 Weatherby Mag Ammo
  
  243 Winchester Ammo
  
  243 WSSM Ammo
  
  25 WSSM Ammo
  
  25-06 Remington Ammo
  
  25-20 Winchester Ammo
  
  25-35 Winchester Ammo
  
  250 Savage Ammo
  
  257 Roberts Ammo
  
  257 Weatherby Mag Ammo
  
  26 Nosler Ammo
  
  260 Remington Ammo
  
  264 Win Mag Ammo
  
  270 Weatherby Mag Ammo
  
  270 Win Short Mag Ammo
  
  270 Winchester Ammo
  
  275 Rigby Ammo
  
  28 Nosler Ammo
  
  280 Ackley Improved Ammo
  
  280 Remington Ammo
  
  284 Winchester Ammo
  
  30 Carbine Ammo
  
  30 Nosler Ammo
  
  30 Remington AR Ammo
  
  30 Thompson Center Ammo
  
  30-06 Springfield Ammo
  
  30-30 Winchester Ammo
  
  30-378 Weatherby Mag Ammo
  
  30-40 Krag Ammo
  
  300 Blackout/Whisper Ammo
  
  300 H&H Magnum Ammo
  
  300 Norma Magnum Ammo
  
  300 Precision (PRC) Ammo
  
  300 Rem Ultra Mag Ammo
  
  300 Remington SAUM Ammo
  
  300 Ruger Compact Mag Ammo
  
  300 Savage Ammo
  
  300 Weatherby Mag Ammo
  
  300 Win Mag Ammo
  
  300 Win Short Mag Ammo
  
  303 British Ammo
  
  303 Savage Ammo
  
  307 Winchester
  
  308 Marlin Express Ammo
  
  308 Norma Mag Ammo
  
  308 Norma Magnum Ammo
  
  308 Win (7.62 NATO) Ammo
  
  32 Winchester Special Ammo
  
  32-20 Winchester Ammo
  
  32-40 Winchester Ammo
  
  325 Win Short Mag Ammo
  
  327 Federal Magnum Ammo
  
  33 Nosler Ammo
  
  338 Federal Ammo
  
  338 Lapua Magnum Ammo
  
  338 Marlin Express Ammo
  
  338 Norma Mag Ammo
  
  338 Rem Ultra Mag Ammo
  
  338 Ruger Compact Mag Ammo
  
  338 Win Mag Ammo
  
  338-378 Weatherby Mag Ammo
  
  340 Weatherby Mag Ammo
  
  348 Winchester Ammo
  
  35 Remington Ammo
  
  35 Whelen Ammo
  
  350 Legend Ammo
  
  356 Winchester Ammo
  
  358 Norma Ammo
  
  358 Winchester Ammo
  
  370 Sako Magnum Ammo
  
  375 H&H Magnum Ammo
  
  375 Rem Ultra Mag Ammo
  
  375 Ruger Ammo
  
  375 Weatherby Mag Ammo
  
  375 Winchester Ammo
  
  376 Steyr Ammo
  
  378 Weatherby Mag Ammo
  
  38 S&W Ammo
  
  38-40 Winchester Ammo
  
  38-55 Winchester Ammo
  
  4.6x30 H&K Ammo
  
  404 Jeffery Ammo
  
  405 Winchester Ammo
  
  416 Barrett Ammo
  
  416 Remington Mag Ammo
  
  416 Rigby Ammo
  
  416 Ruger Ammo
  
  416 Weatherby Mag Ammo
  
  44-40 Winchester Ammo
  
  444 Marlin Ammo
  
  45 Colt (LC) Ammo
  
  45-70 Government Ammo
  
  450 Bushmaster Ammo
  
  450 Marlin Ammo
  
  450 Nitro Express Ammo
  
  450 Rigby Ammo
  
  450-400 Nitro Express Ammo
  
  458 Lott Ammo
  
  458 SOCOM Ammo
  
  458 Win Mag Ammo
  
  460 Weatherby Mag Ammo
  
  470 Nitro Express Ammo
  
  480 Ruger Ammo
  
  5.45x39mm Ammo
  
  5.56x45mm (5.56 NATO) Ammo
  
  5.6x52R Ammo
  
  5.7x28mm Ammo
  
  50 BMG Ammo
  
  500 Nitro Express Ammo
  
  500-416 Nitro Express Ammo
  
  505 Gibbs Ammo
  
  6.5 Creedmoor Ammo
  
  6.5 Precision (PRC) Ammo
  
  6.5 Weatherby Ammo
  
  6.5-300 Weatherby Mag Ammo
  
  6.5mm Grendel Ammo
  
  6.5x284 Norma Ammo
  
  6.5x52mm Carcano Ammo
  
  6.5x52mmR Ammo
  
  6.5x55mm Swedish Ammo
  
  6.5x57R Ammo
  
  6.8 Western Ammo
  
  6.8mm Remington SPC Ammo
  
  6mm ARC Ammo
  
  6mm Creedmoor Ammo
  
  6mm Norma BR Ammo
  
  6mm Remington Ammo
  
  7.5x54 French Ammo
  
  7.5x55mm Swiss Ammo
  
  7.62x25mm Tokarev Ammo
  
  7.62x39mm Russian Ammo
  
  7.62x51mm NATO Ammo
  
  7.62x54mm Russian Ammo
  
  7.65x53mm Argentine Ammo
  
  7.7 Japanese Ammo
  
  7.9x33mm Kurz Ammo
  
  7mm Rem Ultra Mag Ammo
  
  7mm Remington Mag Ammo
  
  7mm Remington SAUM Ammo
  
  7mm STW Ammo
  
  7mm Weatherby Mag Ammo
  
  7mm Win Short Mag Ammo
  
  7mm-08 Remington Ammo
  
  7x30mm Waters Ammo
  
  7x57mm (7mm Mauser) Ammo
  
  7x57mmR Ammo
  
  7x64mm Brenneke Ammo
  
  7x65mm Rimmed Ammo
  
  8x57mm (8mm Mauser) Ammo
  
  9.3x62mm Mauser Ammo
  
  9.3x72mm Rimmed Ammo
  
  9.3x74mm Rimmed Ammo
  
  9x18mm Makarov Ammo
  
  Uncategorized Ammo
Rimfire Ammo
- 17 HMR Ammo
  
  17 Mach 2 (HM2) Ammo
  
  17 Win Super Mag Ammo
  
  22 Long Ammo
  
  22 Long Rifle (LR) Ammo
  
  22 Magnum (WMR) Ammo
  
  22 Short Ammo
  
  22 Win Rimfire (WRF) Ammo
Shotshells Ammo
- 10 Gauge Buckshot Loads
  
  10 Gauge Lead Loads
  
  10 Gauge Non-Toxic Loads
  
  10 Gauge Slug Loads
  
  10 Gauge Steel Loads
  
  12 Gauge Buckshot Loads
  
  12 Gauge Lead Loads
  
  12 Gauge Non-Toxic Loads
  
  12 Gauge Slug Loads
  
  12 Gauge Steel Loads
  
  16 Gauge Buckshot Loads
  
  16 Gauge Lead Loads
  
  16 Gauge Non-Toxic Loads
  
  16 Gauge Slug Loads
  
  16 Gauge Steel Loads
  
  20 Gauge Buckshot Loads
  
  20 Gauge Lead Loads
  
  20 Gauge Non-Toxic Loads
  
  20 Gauge Slug Loads
  
  20 Gauge Steel Loads
  
  24 Gauge Lead Loads
  
  28 Gauge Lead Loads
  
  28 Gauge Non-Toxic Loads
  
  28 Gauge Steel Loads
  
  410 Gauge Buckshot Loads
  
  410 Gauge Lead Loads
  
  410 Gauge Non-Toxic Loads
  
  410 Gauge Slug Loads
  
  410 Gauge Steel Loads
  
  410/45 Colt (LC) Lead Loads
Gun Magazines
- Adaptive Tactical Magazines
  
  ADCO Magazines
  
  Advanced Technology Magazines
  
  Aim Sports Magazines
  
  Allen Magazines
  
  ArmaLite Magazines
  
  ARMS Magazines
  
  Arsenal Magazines
  
  ASC Magazines
  
  ATI Magazines
  
  Auto Ordnance Magazines
  
  B-Square Magazines
  
  Barrett Magazines
  
  Beretta Magazines
  
  Bergara Magazines
  
  Bersa Magazines
  
  Bianchi Magazines
  
  Blackhawk Magazines
  
  Boberg Magazines
  
  Browning Magazines
  
  Bushmaster Magazines
  
  Butler Creek Magazines
  
  C-Products Defense Magazines
  
  Cammenga Magazines
  
  Carlsons Magazines
  
  Champion Magazines
  
  Chip McCormick Magazines
  
  CIA Magazines
  
  CMMG Magazines
  
  Cobra Magazines
  
  Colt Magazines
  
  Command Magazines
  
  Crosman Magazines
  
  CZ Magazines
  
  Desantis Magazines
  
  Diamondback Magazines
  
  DPMS Magazines
  
  EAA Magazines
  
  Ed Brown Magazines
  
  ETS Group Magazines
  
  ETS Magazines
  
  FN Herstal Magazines
  
  Franklin Magazines
  
  Glock Magazines
  
  HCMags Magazines
  
  Heckler & Kock Magazines
  
  Henry Magazines
  
  Hi-Point Magazines
  
  HiViz Magazines
  
  HKS Magazines
  
  Howa Magazines
  
  I.O. Magazines
  
  ISSC Magazines
  
  IWI Magazines
  
  Izhmash Magazines
  
  Kahr Magazines
  
  KE Magazines
  
  Kel-Tec Magazines
  
  Lancer Systems Magazines
  
  Lionheart Magazines
  
  LWRC Magazines
  
  M+M Magazines
  
  Maglula Magazines
  
  Magnum Research Magazines
  
  Magpul Magazines
  
  Mako Magazines
  
  Marlin Magazines
  
  Masterpiece Magazines
  
  Mec-Gar Magazines
  
  Mossberg Magazines
  
  NAA Magazines
  
  National Magazines
  
  Pachmayr Magazines
  
  Para Magazines
  
  Past Magazines
  
  Pearce Magazines
  
  Phoenix Magazines
  
  Plinker Magazines
  
  Polymaggs Magazines
  
  Port City Armory Magazines
  
  ProMag Magazines
  
  Remington Magazines
  
  Rock River Magazines
  
  Ruger Magazines
  
  Samson Magazines
  
  Savage Magazines
  
  SCCY Magazines
  
  Sig Sauer Magazines
  
  Smith & Wesson Magazines
  
  Springfield Magazines
  
  Surefire Magazines
  
  Tactical Solutions Magazines
  
  Tapco Magazines
  
  Target Sports Magazines
  
  Taurus Magazines
  
  Thermold Magazines
  
  Thompson Center Magazines
  
  Tikka Magazines
  
  Troy Defense Magazines
  
  Uncategorized Magazines
  
  USSG Magazines
  
  UTAS-USA Magazines
  
  Walther Magazines
  
  Wilson Combat Magazines
  
  Winchester Magazines
  
  Windham Weaponry Magazines
Targets
Blank Rounds
- 10 Gauge Blanks
  
  12 Gauge Blanks
  
  22 Long Rifle (LR) Blanks
  
  22 Short Blank
  
  22 Short Blanks
  
  223 Rem (5.56 NATO) Blanks
  
  30-06 Springfield Blanks
  
  308 Win (7.62 NATO) Blanks
  
  32 ACP / Automatic Blanks
  
  32 Rimmed Blanks
  
  32 S&W Blank
  
  32 S&W Blanks
  
  38 Rimmed Blanks
  
  38 Special Blanks
  
  380 Rimmed Short Blanks
  
  8mm Blanks
  
  9mm Luger Blanks
Dummy Rounds
- 10 Gauge Dummy Shells
  
  12 Gauge Dummy Shells
  
  16 Gauge Dummy Shells
  
  17 HMR / 22 Magnum Dummy
  
  17 Mach 2 (HM2) Dummy
  
  17 Remington Dummy
  
  20 Gauge Dummy
  
  204 Ruger Dummy
  
  22 Long Rifle (LR) Dummy
  
  22 Magnum (WMR) Dummy
  
  22-250 Remington Dummy
  
  223 Rem (5.56 NATO) Dummy
  
  243 Winchester Dummy
  
  270 Win Short Mag Dummy
  
  270 Winchester Dummy
  
  28 Gauge Dummy
  
  30 Carbine Dummy
  
  30-06 Springfield Dummy
  
  30-30 Winchester Dummy
  
  300 Blackout/Whisper Dummy
  
  300 Weatherby Mag Dummy
  
  300 Win Mag Dummy
  
  300 Win Short Mag Dummy
  
  303 British Dummy
  
  308 Win (7.62 NATO) Dummy
  
  32 ACP / Automatic Dummy
  
  338 Win Mag Dummy
  
  357 Magnum Dummy
  
  357 Sig Sauer Dummy
  
  375 H&H Magnum Dummy
  
  38 Special Dummy
  
  380 ACP / Automatic Dummy
  
  40 S&W Dummy
  
  44 Magnum Dummy
  
  45 ACP / Automatic Dummy
  
  45 Colt (LC) Dummy
  
  45 GAP / Glock Auto Dummy
  
  45-70 Government Dummy
  
  454 Casull Dummy
  
  458 Win Mag Dummy
  
  5.45x39R Dummy
  
  5.7x28mm Ammo
  
  500 S&W Dummy
  
  7.62x39mm Dummy
  
  7mm Remington Mag Dummy
  
  9mm Luger Dummy
Reloading Supplies
- Reloading Bullets
  
  Reloading Accessories
  
  Dies
Firearm Accessories
- Conversion Kits
  
  Face Masks
  
  Firearm Parts
  
  Grips And Recoil Pads
  
  Gun Rests - Bipods - Tripods
  
  Holders And Accessories
  
  Holsters
  
  Slings
  
  Stocks And Forends
  
  Swivels
Optic Accessories
- Bases
  
  Rings And Adaptors
  
  Scope Covers And Shades

CMMG Firearm Parts 223 Rem (5.56 NATO) M-16 Bolt Carrier Black [55BA419]

CMMG Firearm Parts 223 Rem (5.56 NATO) M-16 Bolt C

CMMG Firearm Parts 223 Rem (5.56 NATO) M-16 Bolt C

CMMG Firearm Parts 223 Rem (5.56 NATO) M-16 Bolt C

CMMG Firearm Parts 223 Rem (5.56 NATO) M-16 Bolt C

CMMG Firearm Parts 223 Rem (5.56 NATO) M-16 Bolt C

CMMG Firearm Parts 223 Rem (5.56 NATO) M-16 Bolt C

CMMG Firearm Parts 223 Rem (5.56 NATO) M-16 Bolt C

CMMG Firearm Parts 223 Rem (5.56 NATO) M-16 Bolt C

The picture(s) are representative only and may not match the exact product shown.

Typically ships in 2-5 business days!

Model: 55BA419

MPN: 55BA419

UPC: 852005002431

Description .... [more]

Replacement part that fits M16 OR 556 model gun, and comes in black.

MPN: 55BA419
UPC: 852005002431
Brand: CMMG

Department: Firearm Parts » 5.56 M16 » Bolt Carrier

CMMG Firearm Parts 223 Rem (5.56 NATO) M-16 Bolt Carrier Black [55BA419]

Type: Action
Model: 556/M16
Finish: Black
Application: Replacement

Find Similar Products

Notice:
Product description information above is provided by the manufacturer and may contain typographical errors, and/or out-dated information. If you have questions or concerns about the product information, please contact us Here **

Similar Products .... [more]

CMMG Firearm Parts Lower Parts Kit [55CA6C5]

CMMG Firearm Parts Lower Parts Kit [55CA6C5]

$57.49

View

CMMG Firearm Parts AR-15 LPK Gun Builders Kit AR S

CMMG Firearm Parts AR-15 LPK Gun Builders Kit AR Style Various Black [55CA601]

$32.79

View

Customer Favorites For December .... [more]

Favorite

Hornady Ammo Superformance 25-06 Remington 90 Grai

Hornady Ammo Superformance 25-06 Remington 90 Grain CX SPF 20 Rounds [814464]

$37.94 now $29.99

View

Favorite

Nobel Sport Field Shotshells 12 Gauge 2.75in 1-1/4

Nobel Sport Field Shotshells 12 Gauge 2.75in 1-1/4oz #7.5-Shot 25 Rounds [ANSFH1275]

$9.99

View

Favorite

Nobel Sport Field Shotshells 12 Gauge 2.75in 1-1/4

Nobel Sport Field Shotshells 12 Gauge 2.75in 1-1/4oz #7.5-Shot 25 Rounds [ANSFP1275]

$9.99

View

Favorite

Sellier & Bellot Ammo 303 British SP 150 Grain 20

Sellier & Bellot Ammo 303 British SP 150 Grain 20 Rounds [SB303B]

$31.04 now $23.99

View

Favorite

Winchester Rimfire Ammo Super-X .22 Long Rifle (LR

Winchester Rimfire Ammo Super-X .22 Long Rifle (LR) Power-Point 40 Grain 300 Rounds [X22LRPP100]

$27.59 now $17.99

View

Favorite

Sellier & Bellot Ammo 6.5 Creedmoor 131 Grain SP 2

Sellier & Bellot Ammo 6.5 Creedmoor 131 Grain SP 20 Rounds [SB65B]

$24.14 now $18.99

View

Favorite

Hornady Ammo Amer Whitetail 30-30 Winchester 150 G

Hornady Ammo Amer Whitetail 30-30 Winchester 150 Grain RN 20 Rounds [80801]

$21.99

View

Favorite

Sellier & Bellot Ammo 270 Winchester 150 Grain SP

Sellier & Bellot Ammo 270 Winchester 150 Grain SP 20 Rounds [SB270A]

$20.99

View

Favorite

Hornady Ammo Custom SST 6.5mm Grendel 123 Grain 20

Hornady Ammo Custom SST 6.5mm Grendel 123 Grain 20 Rounds [8152]

$24.99

View

Favorite

Federal Ammo Power-Shok 270 Winchester SP 130 Grai

Federal Ammo Power-Shok 270 Winchester SP 130 Grain 20 Rounds [270A]

$19.99

View

Favorite

Magnum Research Ammo 50 Action Express HP XTP 300

Magnum Research Ammo 50 Action Express HP XTP 300 Grain 20 Rounds [DEP50HP/XTP300]

$56.34 now $45.99

View

Favorite

Winchester Shotshells Super-X Buckshot 12 Gauge 2.

Winchester Shotshells Super-X Buckshot 12 Gauge 2.75in 9 Pellets 00 Buckshot 5 Rounds [XB1200]

$4.99

View

Favorite

Sig Sauer Ammo V-Crown 9mm 115 Grain JHP 50 Rounds

Sig Sauer Ammo V-Crown 9mm 115 Grain JHP 50 Rounds [E9MMA1-50]

$27.99

View

Favorite

Sellier & Bellot Ammo 6.5 Creedmoor 140 Grain SP 2

Sellier & Bellot Ammo 6.5 Creedmoor 140 Grain SP 20 Rounds [SB65C]

$24.14 now $18.99

View

Favorite

Hornady Ammo Critical Duty 9mm+P FlexLock 135 Grai

Hornady Ammo Critical Duty 9mm+P FlexLock 135 Grain 25 Rounds [90226]

$22.99

View

Favorite

PMC Ammo X-Tac 5.56x45mm (5.56 NATO) LAP 62 Grain

PMC Ammo X-Tac 5.56x45mm (5.56 NATO) LAP 62 Grain 20 Rounds [556K]

$11.99

View

Favorite

CCI Rimfire Ammo Short HV .22 Short CPRN 29 Grain

CCI Rimfire Ammo Short HV .22 Short CPRN 29 Grain 100 Rounds [0027]

$9.99

View

Favorite

Hornady Ammo Black 6.5mm Grendel 123 Grain ELD-Mat

Hornady Ammo Black 6.5mm Grendel 123 Grain ELD-Match 20 Rounds [81528]

$23.99

View

Favorite

CCI Rimfire Ammo .22 Short CPHP 27 Grain 100 Round

CCI Rimfire Ammo .22 Short CPHP 27 Grain 100 Rounds [0028]

$9.99

View

Favorite

Aguila Shotshells 12 Gauge Minishell 1.75in 5/8oz

Aguila Shotshells 12 Gauge Minishell 1.75in 5/8oz #7.5-Shot 20 Rounds [1C128968]

$15.99

View

Recently Viewed ... [More]

Prvi Partizan PPU Ammo 7mm Magnum 140 Grain PSP [P

Prvi Partizan PPU Ammo 7mm Magnum 140 Grain PSP [PP7RM1]

View

Chip McCormick Magazine 1911 Shooting Star Classic

Chip McCormick Magazine 1911 Shooting Star Classic 45 ACP 8 Rounds Stainless Finish [14141]

View

Sierra Reloading Bullets Sports Master Handgun JHP

Sierra Reloading Bullets Sports Master Handgun JHP 50 Caliber .500 350 Grain [5350]

View

Magpul MOE M-LOK Carbine Hand Guard AR-15/M-4 Poly

Magpul MOE M-LOK Carbine Hand Guard AR-15/M-4 Polymer/Alum Black [MAG424-BLK]

View

HSM Ammo Trophy Gold 30-06 Springfield BTHP 185 Gr

HSM Ammo Trophy Gold 30-06 Springfield BTHP 185 Grain [BER3006185VLD]

View

Aguila Ammo 380 ACP 95 Grain FMJ [1E802110]

Aguila Ammo 380 ACP 95 Grain FMJ [1E802110]

View