Precision machined from forged 7075 T6 aluminum the CMMG Mk4 AR15 lower receiver is the quality mil-spec lower ready to be the foundation for your next build. The Mk4 stripped lower comes standard in a black hard coat anodized finish and can be assembled using any mil-spec Lower Parts Kit.
Meet the next generation of CMMG® handguards! Featuring incredibly lightweight design and improved ergonomics, the EML™11 handguard is where beauty meets functionality. Each EML11 handguard is made from aircraft grade 6061-T6 aluminum with M-LOK® slots at the 3, 6 and 9 o’clock positions and a picatinny/M-LOK hybrid top rail, accessorizing your firearm has never been easier.
Kit includes barrel nut, retention key, and screws.
