Originally Posted By choobie:
Geez, sorry to piss on everyone's parade. The "trunk gun" to my knowledge has 3 compliance parts, the FCG triple. That's it. The furniture appears to still be there, unchanged so it doesn't matter if he has floorplates AND followers that are US.
pistol grip, hg's, buttstock, floorplate, follower, muzzle brake, or gas piston. three of the seven do the job.