These are the one replica handguards that have very little hex headed screws that keep the heat shields in position. The reproduction Colt handguards even have rivets (much like the real point) Keeping the heat shields set up. It's the early reciever without any fence around the mag release and https://coltcombatunitrailgun4540233.topbloghub.com/37542696/colt-combat-elite-commander-45-acp-for-dummies