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Cmmgmk45guard1
CMMG Mk45 Guard
Country of origin

United States

Manufacturer(s)

CMMG

Production began

2017

Weapon type

Carbine

Caliber

.45 ACP

Action

Radial delayed blowback

Magazine/Cylinder capacity

13-round Glock magazine

The CMMG Mk45 Guard is a .45 ACP carbine developed by CMMG. The weapon is an M16 derivative and uses a Radial Delayed Blowback operation.

OverviewEdit

The MkG45 Guard is a .45 ACP calibre, radial delayed blowback carbine. This system uses the rotation of the bolt head to accelerate the bolt carrier of an AR-15 pattern rifle. The bolt locking lugs are adapted to incorporate angles that rotate the bolt as it travels rearward under conventional blowback power. As the bolt rotates, it must accelerate the bolt carrier to the rear through an adapted cam-pin slot. This accelerates the bolt carrier, slowing the speed of the bolt head. This delay allows pressure to drop prior to extraction without the penalty of a heavier bolt carrier assembly. The system is similar to roller and lever-delayed blowback in that it uses the mass of the bolt carrier moving at a faster rate than the bolt head to delay the action from opening.

GalleryEdit

ReferencesEdit

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