CMMG Inc Buffer Assembly AR-15 Carbine. This buffer assembly made by CMMG is perfect for a build that requires a longer than average buffer tube. The CMMG High Capacity Buffer Assembly is perfect for a build that requires a longer than average buffer tube. This buffer assembly by CMMG features a heavy lug pattern bolt for easy attachment to your AR-15. So if you're looking for a bulkier and stronger buffer tube the CMMG Inc Standard Buffer Assembly is the right product for you. Specifications for CMMG Inc AR-15 Buffer Assembly: Manufacturer: CMMG Gun Model: AR-15 Package Contents: CMMG Inc AR-15 Buffer Assembly The CMMG Inc AR-15 A1 Buffer Assembly 55CA9A7 is a quality addition to the CMMG lineup. For more great deals on AR15 Buffer Assemblies by CMMG please browse our CMMG Inc Gun Parts page. What firearm models does the manufacturer say CMMG Inc AR-15 Buffer Assembly is compatible with? The manufacturer says that CMMG Inc AR-15 Buffer Assembly is compatible with AR-15CMMG Inc Carbine Buffer Assembly - 55CA977