Free ground shipping on every contiguous U.S. order · Ships within 1 business day after payment/verification · Upgraded shipping processed same business day when ordered by 9:30 AM ET
Click the image to open it full size. Additional supplier images appear when available.
Why customers choose this item
✓9mm carbine buffer
✓Fits AR15 9mm rifles
✓For carbine receiver extension
✓Black finish buffer
✓For recoil system use
✓CMMG part 90CA9B4
Product highlights
9mm carbine buffer designed for AR-15 rifles using carbine receiver extensions
Compatible with AR-15 platforms chambered in 9mm Luger or similar variants
Replacement buffer component supporting proper cycling in blowback operated rifle systems
Constructed as internal recoil system component for AR pattern firearm configurations
Black finished buffer component matching standard AR rifle internal parts styling
Designed for use within stocks and buffer tube assemblies on AR rifles
Product description
The CMMG 9mm Carbine Buffer AR Rifles Black is a recoil buffer designed for AR-15 rifles chambered in 9mm using a carbine receiver extension. This buffer functions as part of the recoil system within compatible AR-style platforms. It is designed for use with 9mm AR-15 configurations including CMMG MK9 variants.
The CMMG 9mm carbine buffer fits AR-15 rifles chambered in 9mm Luger and is compatible with carbine-length receiver extensions. It features a black finish and is categorized under buffer components for stock and recoil systems. The buffer is used in CMMG 6-position M4 stock kits and similar setups. This product is used for maintaining or assembling rifle recoil systems for range use or field setups. In standard configurations, the buffer moves within the receiver extension to support cycling of the bolt assembly.
Volume pricing for business and agency buyers, plus free ground shipping on most continental U.S. orders.
Business & agency accounts
Bulk discounts
Volume pricing, dedicated account management, ACH payment options, and special sourcing for businesses, agencies, law enforcement, and first responders.