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Bolt Carrier Groups (BCG) & Parts

Top Sellers

Recoil Technologies AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group
Recoil Technologies AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group
$99.99 $71.99
(12)
US Tactical Ind. Enhanced Stainless Steel 5.56/9mm Firing Pin Retainer
US Tactical Ind. Enhanced Stainless Steel 5.56/9mm Firing Pin Retainer
$4.99 $2.49
Mercury Precision LR-308 Complete Bolt Carrier Assembly Nickel Boron Finish - .308 WIN/6.5 Creedmoor/.243 WIN
Mercury Precision LR-308 Complete Bolt Carrier Assembly Nickel Boron Finish - .308 WIN/6.5 Creedmoor/.243 WIN
$177.99 $129.99
(1)
Mercury Precision AR 9mm Complete Bolt Carrier Group
Mercury Precision AR 9mm Complete Bolt Carrier Group
$117.99 $85.99
Recoil Technologies Ion Nitride LR-308 Bolt Carrier Group - .308 WIN/6.5 Creedmoor/.243 WIN
Recoil Technologies Ion Nitride LR-308 Bolt Carrier Group - .308 WIN/6.5 Creedmoor/.243 WIN
$163.99 $109.99
(2)
Omega Mfg. Nitride Gas Key
Omega Mfg. Nitride Gas Key
$19.99 $4.99
US Tactical Ind. Enhanced Stainless Steel 5.56/9mm Firing Pin Retainer ** 2 Pack**
US Tactical Ind. Enhanced Stainless Steel 5.56/9mm Firing Pin Retainer ** 2 Pack**
$19.99 $4.49
Omega Manufacturing Firing Pin Retaining Pin Mil-Spec AR-15 M4 M16
Omega Manufacturing Firing Pin Retaining Pin Mil-Spec AR-15 M4 M16
$5.00 $2.49
(2)
Omega Mfg. AR-15 M4 M16 Mil-Spec Firing Pin
Omega Mfg. AR-15 M4 M16 Mil-Spec Firing Pin
$9.99 $7.99
(4)
Knurled Threaded Side Charging Handle for Tactical Solutions Group Side Charging BCG
Knurled Threaded Side Charging Handle for Tactical Solutions Group Side Charging BCG
$19.99 $14.99
Stainless Steel Raven P25 MP25 Model Raven Firing Pin
Stainless Steel Raven P25 MP25 Model Raven Firing Pin
$14.99 $4.99
AR15 Extractor - 5.56
AR15 Extractor - 5.56
$9.99 $7.99
Mercury Precision Side Charging 9mm BCG with Side Charging Handle
Mercury Precision Side Charging 9mm BCG with Side Charging Handle
$104.99 $79.99
Recoil Technologies AR-15 Side Charging 5.56/.223/.300 Blackout/.350 Legend BCG + Side Charging Handles x2
Recoil Technologies AR-15 Side Charging 5.56/.223/.300 Blackout/.350 Legend BCG + Side Charging Handles x2
$94.99 $69.99
MMC Combos Sylvan Arms 9mm Glock Compatible Magwell Conversion Block + 9mm Nitride Bolt Carrier Group +
MMC Combos Sylvan Arms 9mm Glock Compatible Magwell Conversion Block + 9mm Nitride Bolt Carrier Group + "Holy" Ambidextrous AR-15 Charging Handle
$289.99 $174.99
Bear Creek 7.62x39/12.7x42/9x39 Nitride Bolt Carrier Group
Bear Creek 7.62x39/12.7x42/9x39 Nitride Bolt Carrier Group
$71.99 $69.99

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Products [252]

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3rd Gen Tactical BCG 5.56 NATO, AR-15
3rd Gen Tactical BCG 5.56 NATO, AR-15
$99.99 $69.99 Sale
In Stock
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Recoil Technologies 9mm AR-15 Firing Pin - Titanium
Recoil Technologies 9mm AR-15 Firing Pin - Titanium
$19.99 $11.99 Sale
In Stock
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IMI Defense AR-15 .350 Legend Full Auto Nitride Bolt Carrier Group
IMI Defense AR-15 .350 Legend Full Auto Nitride Bolt Carrier Group
$299.99 $89.99 Sale
In Stock
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IMI Defense AR-15 .40 S&W Full Auto Nitride Bolt Carrier Group
IMI Defense AR-15 .40 S&W Full Auto Nitride Bolt Carrier Group
$299.99 $89.99 Sale
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AR15 Extractor - 5.56
AR15 Extractor - 5.56
$9.99 $7.99 Sale
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IDL Industries 9MM Side Charging Complete Upper Kit (Includes Receiver, 9mm BCG, Charging Handle, Timing Plug, Bolt Catch)
IDL Industries 9MM Side Charging Complete Upper Kit (Includes Receiver, 9mm BCG, Charging Handle, Timing Plug, Bolt Catch)
$244.99 $149.99 Sale
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Bear Creek 7.62x39/12.7x42/9x39 Nitride Bolt Carrier Group
Bear Creek 7.62x39/12.7x42/9x39 Nitride Bolt Carrier Group
$71.99 $69.99 Sale
In Stock
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Mercury Precision 9mm Luger Titanium Nitride 9mm Bolt Group
Mercury Precision 9mm Luger Titanium Nitride 9mm Bolt Group
$179.99 $134.99 Sale
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Mercury Precision Side Charging 9mm BCG with Side Charging Handle
Mercury Precision Side Charging 9mm BCG with Side Charging Handle
$104.99 $79.99 Sale
In Stock
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Recoil Technologies AR-15/AR-9 9mm Bolt Carrier Group
Recoil Technologies AR-15/AR-9 9mm Bolt Carrier Group
$119.99 $84.99 Sale
In Stock
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Recoil Technologies AR-15 Side Charging 5.56/.223/.300 Blackout/.350 Legend BCG + Side Charging Handles x2
Recoil Technologies AR-15 Side Charging 5.56/.223/.300 Blackout/.350 Legend BCG + Side Charging Handles x2
$94.99 $69.99 Sale
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Side Charging Starter Kit Featuring: Tactical Solutions Group AR-15 5.56/.223/.300/.350 Side Charging BCG + Davidson Defense AR-15 'Side-Car' Side Charging Billet Upper Receiver
Side Charging Starter Kit Featuring: Tactical Solutions Group AR-15 5.56/.223/.300/.350 Side Charging BCG + Davidson Defense AR-15 'Side-Car' Side Charging Billet Upper Receiver
$374.99 $169.99 Sale
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BCG/CH: Tactical Solutions Group AR-15 5.56/.223/.300/.350 Side Charging Bolt Carrier Group + Knurled Threaded Side Charging Handle for Tactical Solutions Group Side Charging BCG x2
BCG/CH: Tactical Solutions Group AR-15 5.56/.223/.300/.350 Side Charging Bolt Carrier Group + Knurled Threaded Side Charging Handle for Tactical Solutions Group Side Charging BCG x2
$149.99 $109.99 Sale
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Knurled Threaded Side Charging Handle for Tactical Solutions Group Side Charging BCG
Knurled Threaded Side Charging Handle for Tactical Solutions Group Side Charging BCG
$19.99 $14.99 Sale
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Tactical Solutions Group AR-15 5.56/.223/.300/.350 Side Charging Bolt Carrier Group
Tactical Solutions Group AR-15 5.56/.223/.300/.350 Side Charging Bolt Carrier Group
$149.99 $99.99 Sale
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Finish Your Build Kit: Luth-AR MBA-1 RFL-FXD Fixed Stock, Black + A2 Rifle Buffer Tube Kit + Complete Mil-Spec AR-15 LPK + Premium AR-15 5.56 Complete BCG + AR-15 M4 Charging Handle Mil-Spec Quality
Finish Your Build Kit: Luth-AR MBA-1 RFL-FXD Fixed Stock, Black + A2 Rifle Buffer Tube Kit + Complete Mil-Spec AR-15 LPK + Premium AR-15 5.56 Complete BCG + AR-15 M4 Charging Handle Mil-Spec Quality
$339.99 $249.99 Sale
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2A Armament AR15 BCG - Builder Series, Mil-Spec Full Mass Bolt Carrier, QPQ Nitride
2A Armament AR15 BCG - Builder Series, Mil-Spec Full Mass Bolt Carrier, QPQ Nitride
$139.99 $132.99 Sale
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BCG/CH: 2A Armament AR-15 Bolt Carrier Group - Builder Series + Strike Industries T-Bone Charging Handle, Black w/ Black Handles, AR-15
BCG/CH: 2A Armament AR-15 Bolt Carrier Group - Builder Series + Strike Industries T-Bone Charging Handle, Black w/ Black Handles, AR-15
$189.99 $139.99 Sale
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BCG/CH: 2A Armament AR-15 Bolt Carrier Group - Builder Series + Strike Latchless Charging Handle - Black
BCG/CH: 2A Armament AR-15 Bolt Carrier Group - Builder Series + Strike Latchless Charging Handle - Black
$184.99 $134.99 Sale
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BCG/CH: 2A Armament AR-15 Bolt Carrier Group - Builder Series + Strike Industries Charging Handle with Extended Latch - Black ARCH-EL-BK
BCG/CH: 2A Armament AR-15 Bolt Carrier Group - Builder Series + Strike Industries Charging Handle with Extended Latch - Black ARCH-EL-BK
$184.99 $134.99 Sale
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BCG/CH: 2A Armament AR15 BCG - Builder Series, Mil-Spec Full Mass Bolt Carrier, QPQ Nitride + Aero AR15 Charging Handle
BCG/CH: 2A Armament AR15 BCG - Builder Series, Mil-Spec Full Mass Bolt Carrier, QPQ Nitride + Aero AR15 Charging Handle
$169.99 $124.99 Sale
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BCG/CH: Ambidextrous Charging Handle, AR10, Black + Fail Zero LR-308 .308 WIN/6.5 Creedmoor BCG
BCG/CH: Ambidextrous Charging Handle, AR10, Black + Fail Zero LR-308 .308 WIN/6.5 Creedmoor BCG
$299.99 $219.99 Sale
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BCG/CH: Ambidextrous Charging Handle, AR10, Black + .308/7.62NATO BCG with Forward Assist Notches QPQ
BCG/CH: Ambidextrous Charging Handle, AR10, Black + .308/7.62NATO BCG with Forward Assist Notches QPQ
$164.99 $119.99 Sale
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BCG/CH: Ambidextrous Charging Handle, AR10, Black + Mercury Precision .308 LR308 Complete Bolt Carrier Assembly Nickel Boron, Fits Most .308 AR Based Rifles
BCG/CH: Ambidextrous Charging Handle, AR10, Black + Mercury Precision .308 LR308 Complete Bolt Carrier Assembly Nickel Boron, Fits Most .308 AR Based Rifles
$179.99 $129.99 Sale
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Here at MMC Armory we carry a wide range of bolt carrier groups(BCGs) and parts for your AR-15 and LR-308 platforms. We also offer .22lr conversion kits. Some of the brands featured here are Faxon, Fail Zero, Angstadt Arms, Sons of Liberty Gun Works, Kaw Valley Precision, and more. We carry BCG's for all popular calibers including .223 Wylde, 5.56 NATO,.224 Valkyrie, 300 Legend, .458 SOCOM, 12.7x42 (.50 Beowulf), .450 Bushmaster, 9mm, 7.62x39, 300 Blackout (AAC), 6.5 Creedmoor, 6.5 Gendel, 45 ACP, and .243 WIN. Be sure to check out our MMC Bundles for added value.
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