FightLite MCR Cam Pin (15073) – Factory Belt-Fed Bolt Part

Description

The cam pin is one of those parts you never think about until it's worn or missing, and on a belt-fed system it earns its keep more than most. This is the genuine FightLite MCR Cam Pin, part number 15073, made to spec for the MCR bolt assembly. Unlike a plain AR-15 cam pin that just times the bolt rotation, the one in the MCR pulls extra duty by helping drive the belt-feed mechanism as the carrier travels, so keeping it in good shape matters if you want your linked ammo cycling clean.

What the MCR Cam Pin Actually Does

The MCR runs a short-stroke gas piston that shoves the bolt carrier rearward to unlock the action, and the carrier cam pin at the rear of the receiver is what actuates the feed pawls that pull the next round into position. It's a small piece doing a big job, which is exactly why running a worn or improvised part here is asking for feeding hiccups. This one is machined steel with a matte blued finish to hold up to the heat and friction that come with sustained fire.

Keeping Your FightLite MCR Running Right

The MCR bolt is its own animal, a six-lug rotating design that's beefier than a standard AR-15 bolt and built for sustained-fire roles, so it uses parts made for that system rather than off-the-shelf AR components. That means when it's time to freshen up your bolt group or you've got one that's seen a lot of belts, you want the correct factory part. Feed mechanisms live and die on carbon buildup and worn contact surfaces, and a fresh cam pin is cheap insurance against a stoppage at the worst moment.

Bottom line, this is the factory replacement for a wear item on one of the more unique platforms out there. If you own an MCR belt-fed upper and you're building a spares kit or refreshing a well-used bolt, this is the part you reach for. Fits FightLite MCR models chambered in 5.56x45mm and .223 Remington.