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CMMG | Banshee, Dissent, Mk47 & Other AR Parts — 407 products / 791 models

Whether you're a seasoned shooter or a firearm enthusiast, our selection of CMMG gun parts is designed to take your shooting experience to the next level. Elevate your shooting game with CMMG barrels, bolts, triggers, and other precision components designed to optimize accuracy, consistency, and overall firearm performance. From customizing your AR-style rifle to enhancing your pistol, CMMG develops high-quality gun parts to suit your specific needs. image

What Does CMMG Stand For?

CMMG stands for Central Missouri Machine Guns.

Is CMMG Good Quality?

OpticsPlanet is dedicated to providing firearm enthusiasts with only high-quality gun parts, and CMMG is an established, trustworthy brand that has released reliable and durable products for years. Overall, CMMG gun parts meet but usually exceed expectations for their price point. Check out all of our CMMG Reviews to see what verified customers are saying about CMMG products.

What Is the Difference Between CMMG Banshee and Dissent?

The biggest difference between the CMMG Banshee and CMMG Dissent is that the Banshee has a buffer tube and spring like typical ARs, but the Dissent is a bufferless AR that doesn’t use a buffer tube system, providing users with enhanced stock options. Also, Banshee firearms are mostly short-barreled rifles (SBRs) and pistols and have more caliber options than Dissent.

Buy CMMG Gun Parts & Accessories at OpticsPlanet

Shop online with us to save big on premium CMMG firearm parts and accessories to build or customize your weapon exactly how you want. From CMMG uppers to conversion kits, we have great deals on fan-favorite gun parts. What’s more, OpticsPlanet has thousands of daily deals and offers Free Shipping on most orders over $49. Upgrade your firearm today for less!

Popular Categories

Image of Gun Parts category Gun Parts
Image of Rifle Parts category Rifle Parts
Image of AR 15 Parts category AR 15 Parts
Image of AR15 Lower Parts category AR15 Lower Parts
Image of AR15 Upper Parts category AR15 Upper Parts
Image of Bolt Carrier Groups category Bolt Carrier Groups
Image of AR15 Upper Receivers category AR15 Upper Receivers
Image of Rifle Barrels category Rifle Barrels
Image of AR15 Magazine Catches & Releases category AR15 Magazine Catches & Releases
Image of AR15 Barrels category AR15 Barrels
Image of AR15 Accessories category AR15 Accessories
Image of Magazines category Magazines
Image of AR 15 Tactical Rails category AR 15 Tactical Rails
Image of AR Handguards & Forends category AR Handguards & Forends
Image of Rifle Magazines category Rifle Magazines
Image of AR Rifle Magazines category AR Rifle Magazines
Image of Muzzle Devices category Muzzle Devices
Image of AR15 Bolt Catches & Releases category AR15 Bolt Catches & Releases
Image of Weapon Accessories category Weapon Accessories
Image of Muzzle Brakes & Compensators category Muzzle Brakes & Compensators

407 Products in CMMG

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Image of CMMG AR-15 ZEROED Gunbuilder's Lower Parts Kit CMMG AR-15 ZEROED Gunbuilder's Lower Parts Kit (11) $89.95 (Save 11%) $79.99 Blazin' Deal
Image of CMMG, Inc Firing Pin Retainer 2 models CMMG, Inc Firing Pin Retainer (7) As Low As (Save Up to 11%) $0.86 Blazin' Deal
Image of CMMG ZEROED AR15 Ambi Mag Catch and Button Kit CMMG ZEROED AR15 Ambi Mag Catch and Button Kit (11) $60.32 (Save 11%) $53.89 Best Rated
Image of CMMG, Inc PS90 5. 10.4in. Barrel CMMG, Inc PS90 5. 10.4in. Barrel (10) $299.95 (Save 15%) $256.02 Blazin' Deal
Image of CMMG DISSENT 5.7x28mm, 6.5in Upper Receiver 8 models CMMG DISSENT 5.7x28mm, 6.5in Upper Receiver As Low As (Save Up to 24%) $1,099.00 Blazin' Deal
Image of CMMG DISSENT Mk4, 300BLK, 6.5in Upper Receiver 7 models CMMG DISSENT Mk4, 300BLK, 6.5in Upper Receiver (2) As Low As (Save Up to 12%) $1,278.99 Free 2 Day Shipping
Image of CMMG 9mm 5in Barrel Barrel and BCG Kit CMMG 9mm 5in Barrel Barrel and BCG Kit (2) $449.95 (Save 10%) $404.99 Free 2 Day Shipping
Image of CMMG Mk4 Resolute Upper Receiver Group 8 models CMMG Mk4 Resolute Upper Receiver Group (2) As Low As (Save Up to 26%) $699.00 Blazin' Deal
Image of CMMG DISSENT Mk4, 5.56x45mm NATO, 6.5in Upper Receiver 7 models CMMG DISSENT Mk4, 5.56x45mm NATO, 6.5in Upper Receiver As Low As (Save Up to 21%) $1,149.00 Blazin' Deal
Image of CMMG DISSENT Mk4, 300BLK, 10.5in Upper Receiver 7 models CMMG DISSENT Mk4, 300BLK, 10.5in Upper Receiver As Low As (Save Up to 16%) $1,253.05 Blazin' Deal
Image of CMMG Mk4 .300BLK 12.5in Banshee Upper Group Receiver 6 models CMMG Mk4 .300BLK 12.5in Banshee Upper Group Receiver As Low As (Save Up to 17%) $729.99 13% Coupon
Image of CMMG, Inc 9mm Barrel and Bolt Carrier Group (BCG) Kit 2 models CMMG, Inc 9mm Barrel and Bolt Carrier Group (BCG) Kit (14) As Low As (Save Up to $44.96) $429.99 13% Coupon
Image of CMMG DISSENT Mk4, 5.56x45mm NATO, 10.5in Upper Receiver 7 models CMMG DISSENT Mk4, 5.56x45mm NATO, 10.5in Upper Receiver As Low As (Save Up to 13%) $1,299.00
Image of CMMG, Inc 22LR AR Conversion Kit, Bravo, 10 Rounds 2 models CMMG, Inc 22LR AR Conversion Kit, Bravo, 10 Rounds (2) As Low As (Save Up to 19%) $161.49 Blazin' Deal
Image of CMMG Mk3 Endeavor Upper Receiver Group 4 models CMMG Mk3 Endeavor Upper Receiver Group As Low As (Save Up to 10%) $1,039.00 13% Coupon
Image of CMMG, Inc AR-15 Bolt Catch Parts Kit CMMG, Inc AR-15 Bolt Catch Parts Kit (4) $11.95 $11.89
Image of CMMG 9mm 8in Banshee Upper Group Receiver 5 models CMMG 9mm 8in Banshee Upper Group Receiver (2) As Low As (Save Up to 10%) $829.99 Free 2 Day Shipping
Image of CMMG, Inc 22LR AR Conversion Kit, Mk57, w/ 3 Magazines, 10rd CMMG, Inc 22LR AR Conversion Kit, Mk57, w/ 3 Magazines, 10rd (3) $229.95 (Save 13%) $199.49 Blazin' Deal
Image of CMMG 57 X 28mm Barrel And Bcg Kit 3 models CMMG 57 X 28mm Barrel And Bcg Kit As Low As (Save Up to $35.46) $419.49 13% Coupon
Image of CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 6 models CMMG Mk4 5.7X28mm Resolute Upper Group Receiver (2) As Low As (Save Up to 20%) $799.00 Blazin' Deal
Image of CMMG 9mm Banshee Upper Group Receiver 7 models CMMG 9mm Banshee Upper Group Receiver (2) As Low As (Save Up to 17%) $749.00 Blazin' Deal
Image of CMMG Mk4 Banshee Upper Receiver Group, w/Linear Compensator 5 models CMMG Mk4 Banshee Upper Receiver Group, w/Linear Compensator (1) As Low As (Save Up to 12%) $729.99 Free 2 Day Shipping
Image of CMMG, Inc Auto Sear Trip And Anti -Bounce Weight Kit, .22 ARC CMMG, Inc Auto Sear Trip And Anti -Bounce Weight Kit, .22 ARC (12) $54.95 (Save $3.76) $51.19
Image of CMMG Mk4 Banshee Upper Receiver Group 2 models CMMG Mk4 Banshee Upper Receiver Group (1) As Low As (Save Up to 19%) $609.99 13% Coupon
Image of Cmmg, Inc AR15, Ambi Magazine Catch w/Mag Release Button and Spring 2 models Cmmg, Inc AR15, Ambi Magazine Catch w/Mag Release Button and Spring (18) As Low As (Save Up to 16%) $33.63 13% Coupon
Image of Cmmg, Inc AR15, Ambi Magazine Catch 2 models Cmmg, Inc AR15, Ambi Magazine Catch (15) As Low As (Save Up to $1.00) $39.99 13% Coupon
Image of CMMG Mk4 9mm Resolute Upper Group Receiver 5 models CMMG Mk4 9mm Resolute Upper Group Receiver (2) As Low As (Save Up to 12%) $879.99
Image of CMMG 10mm Barrel And Bcg Kit CMMG 10mm Barrel And Bcg Kit $474.95 (Save 16%) $398.99 Blazin' Deal
Image of CMMG Mk4 .300BLK Banshee Upper Group Receiver 12 models CMMG Mk4 .300BLK Banshee Upper Group Receiver As Low As (Save Up to 13%) $719.99 13% Coupon
Image of CMMG Mk3 .308WIN 24in Endeavor Upper Group Receiver 6 models CMMG Mk3 .308WIN 24in Endeavor Upper Group Receiver As Low As (Save Up to 13%) $1,049.00 13% Coupon
Image of CMMG 22LR Mk4 Barrel Kits w/ Bolt Group 3 models CMMG 22LR Mk4 Barrel Kits w/ Bolt Group (46) As Low As (Save Up to 11%) $288.49 Free 2 Day Shipping
Image of CMMG, Inc 22LR AR Conversion Kit, Echo 2 models CMMG, Inc 22LR AR Conversion Kit, Echo (18) As Low As (Save Up to 17%) $199.99 13% Coupon
Image of CMMG Mk3 ZEROED Gunbuilder's Lower Parts Kit CMMG Mk3 ZEROED Gunbuilder's Lower Parts Kit (9) $113.33 (Save 12%) $99.99 Best Rated
Image of CMMG, Inc AR-15 Bolt Rehab Kit CMMG, Inc AR-15 Bolt Rehab Kit (3) $52.89 (Save 15%) $44.89
Image of CMMG Banshee Upper Receiver Group 4 models CMMG Banshee Upper Receiver Group (1) As Low As (Save Up to $85.96) $829.99
Image of CMMG Mk4 .22LR Banshee Upper Group Receiver 12 models CMMG Mk4 .22LR Banshee Upper Group Receiver As Low As (Save Up to 21%) $629.99 13% Coupon
Image of CMMG 4.6X30mm Hk Barrel And Bcg Kit CMMG 4.6X30mm Hk Barrel And Bcg Kit (1) $449.95 (Save 13%) $389.49 Blazin' Deal
Image of CMMG AR-15 ZEROED Lower Parts Kit CMMG AR-15 ZEROED Lower Parts Kit (2) $150.99 (Save 14%) $129.99
Image of CMMG, Inc 22LR Bolt Group, No Magazine CMMG, Inc 22LR Bolt Group, No Magazine (3) $189.95 (Save 16%) $159.99 Blazin' Deal
Image of CMMG AR-15 Detent and Pivot/Takedown Parts Kit, 10-Pack CMMG AR-15 Detent and Pivot/Takedown Parts Kit, 10-Pack (4) $11.95 (Save 16%) $9.99 Blazin' Deal
Image of CMMG, Inc AR15 Lower Pins and Springs Parts Kit CMMG, Inc AR15 Lower Pins and Springs Parts Kit (12) $14.95 (Save 18%) $12.30 Blazin' Deal
Image of CMMG ZEROED .45 ACP Linear Compensator CMMG ZEROED .45 ACP Linear Compensator (3) $74.95 (Save $5.16) $69.79
Image of CMMG Mk4 6mm ARC Resolute Upper Group Receiver 6 models CMMG Mk4 6mm ARC Resolute Upper Group Receiver As Low As (Save Up to $79.96) $819.99
Image of CMMG ZEROED AR15 Extended Ambi Magazine Catch CMMG ZEROED AR15 Extended Ambi Magazine Catch (3) $45.99
Image of CMMG 5.7X28mm 8in Banshee Upper Group Receiver 6 models CMMG 5.7X28mm 8in Banshee Upper Group Receiver As Low As (Save Up to $84.96) $839.99
Image of CMMG DISSENT 9mm, 6.5in Upper Receiver 7 models CMMG DISSENT 9mm, 6.5in Upper Receiver As Low As (Save Up to 11%) $1,289.00
Image of CMMG, Inc Thread Adapter, PS90 CMMG, Inc Thread Adapter, PS90 (2) $69.95 (Save 10%) $62.67 Blazin' Deal
Image of CMMG, Inc 22LR AR Conversion Kit, Bravo CMMG, Inc 22LR AR Conversion Kit, Bravo (34) $189.95 (Save 16%) $159.99 Blazin' Deal
Image of CMMG, Inc .300 AAC Blackout Barrel Sub-Assembly 5 models CMMG, Inc .300 AAC Blackout Barrel Sub-Assembly (5) As Low As (Save Up to 10%) $169.49 13% Coupon
Image of CMMG, Inc AR-15 Magazine Catch Parts Kit CMMG, Inc AR-15 Magazine Catch Parts Kit (4) $12.95 (Save 16%) $10.82 Blazin' Deal
Image of CMMG EML 7 AR-15 Handguard Kit 7 models CMMG EML 7 AR-15 Handguard Kit (1) As Low As (Save Up to 11%) $155.99
Image of CMMG, Inc FNH P90 Style Flash Hider CMMG, Inc FNH P90 Style Flash Hider (4) $119.95 (Save $6.16) $113.79
Image of CMMG 22LR M4 Profiled Barrel and Collar Kit CMMG 22LR M4 Profiled Barrel and Collar Kit (9) $224.95 (Save $12.46) $212.49 Free 2 Day Shipping
Image of CMMG, Inc AR-15 Receiver Extension and Stock Kit CMMG, Inc AR-15 Receiver Extension and Stock Kit (6) $117.99 (Save 13%) $102.79 Best Rated
Image of CMMG, Inc 22 LR Barrel Sub-Assembly 3 models CMMG, Inc 22 LR Barrel Sub-Assembly (2) As Low As (Save Up to $8.96) $124.79 Blazin' Deal
Image of CMMG, Inc Ambidextrous Safety Selector Kit CMMG, Inc Ambidextrous Safety Selector Kit (31) $29.95 (Save $1.85) $28.10 Best Rated
Image of CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 18 models CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver As Low As (Save Up to 12%) $779.99
Image of CMMG 6.5 Grendel 16in Barrel Sub-Assm CMMG 6.5 Grendel 16in Barrel Sub-Assm $199.95 (Save 10%) $179.99 Free 2 Day Shipping
Image of CMMG Mk4/AR-15 .22 LR 10 Round Rifle Magazine CMMG Mk4/AR-15 .22 LR 10 Round Rifle Magazine $32.99 (Save $3.00) $29.99
Image of CMMG ZEROED 5.56 Linear Compensator CMMG ZEROED 5.56 Linear Compensator (2) $74.95 (Save 16%) $62.65 Blazin' Deal
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Sleeping Pad Buyer's Guide by Brett R.
A Guide to Binary Triggers by Corey F.
The Importance of MLOK & Picatinny Rail Covers by Brett R.
Buyer's Guide for Glock & Pistol Night Sights by Brett R.
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