This was the beginning of the lightweight and functional handguards that we now know and use today.

At the time of its inception, this was a huge leap forward in firearm design as the handguard, the buttstock, and the pistol grip were all made of lightweight plastic instead of the traditional wood furniture used in guns like the M1 Garand. When it comes to the AR 15 or M16 platform, the first handguards were designed to incorporate into the rifle’s overall design for being lightweight.Įarly model handguards for the M16 were triangular in shape, and extended down the length of the barrel to the front sight block. The handguard on an AR 15 is the section of your firearm that surrounds a portion of the barrel that is used, as the name implies, to guard your hand from the heat generated from shooting and to hold and support the firearm with your non-trigger hand. So what is the big deal with the handguard? Even the multiple different names (handguard, forend, forearm, fore grip, etc.) can seem a little odd but they all mean the same thing. With all of these options available, it can sometimes be confusing. Muzzle: A2 Comp., Threaded ½-28 (5.Just like every other part of the firearm, AR 15 handguards come in plenty of different options and are very modular. CMMG Mk4 T Specifications:Ĭaliber: 5.56x45mm NATO/.300 AAC Blackout/9mm/22 long rifleīarrel: 16″ medium weight tapered profile (5.56mm, 300 BLK) For accessories that are not yet KeyMod compatible, users can purchase a separate CMMG 5-slot Picatinny adapter rail that can be easily attached to any of the KeyMod slots for optimal placement of the accessories. The KeyMod slots are found at the 3, 6 and 9 o’clock positions and offer shooters a low-profile mounting alternative to the M1913 Picatinny rail. The Mk4 T includes an RKM11 KeyMod free-floating hand guard with a 1913 Picatinny rail on top. 22 LR versions come standard with the nitride 4140 CrMo M4 profile barrel. 300 BLK models are offered with either a 416 stainless or a nitrided 4140 CrMo steel barrel in a medium taper profile.

The Mk4 T is available in four different calibers, including 5.56×45 NATO. Whether looking for your first AR, defending the homestead, planning that next hog hunt or just wanting a fun gun to have around – the Mk4 T has you covered. With four different calibers and two different barrel types to choose from, the Mk4 T line-up has something for everyone. The new Mk4 T series rifles are CMMG’s latest definition of versatility.

CMMG Releases Mk4 T Rifle in Four Calibers

Cmmg keymod accessories