$6,599.99
2 in stock
Online inventory may differ from in-store availability.
Quick turnaround so you get your gear sooner.
Trusted checkout with industry-standard protection.
Keeping Traditions Alive Since 1953
Secure Transactions provided with 
The FightLite MCR Dual-Feed upper is one of the few products that gets a straight-faced adult grinning at the counter. It drops onto a standard mil-spec AR-15/M16/M4 lower with no permanent modification, and it brings something almost nobody else does: real belt-fed capability from linked ammunition or the same box mags you already own. Flip between the two on the fly with no tools and no downtime. That flexibility is the whole point of the Mission Configurable Rifle name, and it delivers.
The upper receiver is precision machined from 7075-T6 billet aluminum and wears a manganese phosphate finish, so it's built to take a beating. The 16.25-inch quick-change barrel runs a 1:7 twist with a 1/2-28 threaded muzzle wearing a RIP brake compensator, and it swaps out in seconds thanks to a spring-loaded catch. That quick-change design isn't just a party trick either. Sustained fire builds heat fast, and being able to pull a hot barrel and drop in a fresh one keeps you shooting instead of waiting.
Unlike a plain AR upper, the MCR is a purpose-built SAW-style feed system. Two sets of feed ramps live in the barrel extension: the usual M4 cuts for box magazines plus a third position up top to pull rounds off a linked belt. It runs a short-stroke gas piston with an adjustable three-position plug, so you can tune it for a suppressor or keep a dirty gun cycling. Dry Film Lubrication on the high-friction surfaces helps it shrug off grime in rough conditions.
The civilian version fires from a closed bolt, which gives you solid first-shot accuracy, and the heavy 1:7 barrel favors heavier 62 to 77 grain loads if you want to tighten your groups. A little break-in goes a long way here. Folks who run 200 to 500 rounds through it, stick with the FightLite-supplied H3 buffer, and use the included M27 links tend to report smooth, reliable feeding after that. This is a range toy and a conversation starter rolled into one, and there's nothing else on the market quite like it.
Yes. It's a drop-on assembly designed to fit any standard mil-spec AR-15/M16/M4 lower with no permanent modification, and it's backward compatible with rifles going back decades. Because the belt-fed machinery lives entirely in the upper, you run it on the same lower you'd use for any other build. Keep in mind the kit includes an extended bolt catch and magazine adapter you'll want installed to clear the wider receiver and run box mags.
Either one, and that's the whole appeal of the Dual-Feed design. The MCR accepts standard box-type AR15/M16 magazines or M27 linked ammunition at your discretion, and you can switch between them without tools. That lets you go from a quick mag dump to a long belt-fed string whenever you feel like it.
It benefits from one. Owners commonly report running 200 to 500 rounds to get the belt feeding smoothly and consistently. Sticking with the included H3 buffer and the FightLite-supplied M27 links makes a real difference, since the heavier buffer provides the mass needed to strip rounds off the belt and chamber them cleanly.
The 1:7 twist barrel favors heavier bullets, so 62-grain green tip and heavier match loads in the 69 to 77 grain range tend to group best. Lighter 55-grain civilian ammo cycles reliably too, it just won't be as tight downrange. For range plinking and belt-fed fun, standard 62-grain military-spec ammo is a solid, affordable default.
| UPC | 859714006910 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | MCR-556-DFRM |
| Action | |
| Barrel Length | 16.25" |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Color | Black |
| Length | 25.5'' |
| Model | |
| Product Type | Upper |
| Sights | Adjustable |
| Style | Complete |
You must be logged in to post a review.
Reviews
There are no reviews yet.