Wrapping things up in terms of accessories, the Mk4 RCE include a good spread of Magpul parts, including a MOE CTR adjustable buttstock and pistol grip and Magpul PMAG 30-round magazine. The Mk4 RCE also comes with a high-end trigger, a Geissele Automatics SSA 2-stage fire control group. The muzzle device also sports a tough nitride finish.

At the end of the barrel is CMMG’s custom muzzle brake that promises solid recoil mitigation and long-lasting performance with its 4140 steel construction. The uppers are completed with 16-inch 416 stainless steel barrels with a hardened nitride finish.

223 Remington/5.56 NATO or the increasingly popular 300 AAC Blackout.īoth the upper and lower receivers of the Mk4 RCE are made from forged 7075-T6 aircraft aluminum, which is considerably stronger than 6061-series aluminum which is common to entry-level rifles. Unlike the full-house Mk3 CBR, the Mk4 RCE will be chambered for more common. The Mk4 RCE follows in the footsteps of the recently-announced Mk3 CBR, which is a carbine-length AR-10-style rifle chambered for.

Shipping optics-ready parts saves the end user a little money in the long run. And frankly, optics are a personal choice many people are likely to change or discard most factory sight setups in favor of their preferred configuration. The Mk4 RCE is a semi-custom design that comes loaded with premium parts. The handguard has KeyMod rails on the sides and bottom for three-, six- and nine-o’clock rails and accessories.Īlthough it is “optics-ready,” meaning it ships without an optic or iron sights, everything else is top-shelf. The handguard has an integral 12-o’clock rail that merges seamlessly with the flattop receiver. The pattern is lightweight and does not require disassembly or special tools to accessories. KeyMod handguards are a new, universal standard that accepts Picatinny rails in addition to KeyMod accessories. It is a carbine-length rifle with a full-length modular free-floating KeyMod hardguard housing a mid-length gas system. The Mk4 RCE follows the Recce rifle pattern. And now CMMG is announcing a new series of rifles and AR-15 uppers, the Mk4 RCE, or Recce rifle. With the black rifle crunch fading into the sunset, manufacturers are finally free to introduce and develop new rifles, no longer having to solely focus on filling backorders and waiting for critical parts.

Cmmg keymod accessories