AEMB Mount
The AEMB is the standard muzzle brake mount for all the non thread mount AE suppressors. This mount is 2 1/8″ long and can be pinned and welded to make 16″ OAL on 14.5″ barrels.
M4 AEM5 Collar
If the barrel is M4 spec, this is the collar required to mount the AEM5 or AE22.
M4 Collar
For standard M4 spec barrels with the .700 x .700 step at the muzzle, this collar is required to mount the AEM2, AEM3, and AEM4 suppressors.
SPR Collar
For properly contoured MK12 SPR barrels, this collar is required to properly mount the AEM5 or AE22. This collar will work with both MK12 MOD0, and MK12 MOD1 builds.
SPR to M4 Collar
For properly contoured MK12 SPR barrels, this collar is required to properly mount the AEM2, AEM3, and AEM4.
Thread Adapter/Protectors
For properly contoured MK12 SPR barrels, this collar is required to properly mount the AEM2, AEM3, and AEM4.