Operating System: PWS Long Stroke Piston System, 3-Setting Adjustable Gas System

Muzzle Device: A2 Flash Hider

Caliber: .223 Wylde

Barrel Length: 16.1”

Barrel: 416 Stainless Steel, Button Rifled

Twist: 1:8

Handguard: PWS free float Mlok™15” Handguard (1.6” width, 2.1” height)

Upper Receiver: PWS Proprietary Piston Upper, 6061 extrusion, Anodized 

Charging Handle: Radian Raptor™Ambidextrous Charging Handle

Overall Length:   25”

Height:  2.3”

Width:   2.5”

Weight: 4 lbs. 14 oz.

Primary Weapons Systems Mk116 Pro Upper, 223 Wylde, 556nato, 16.1" Barrel, Pws 15" Mlok Handguard, Radian Raptor Charging Handle, Black Finish 19-pm116ua0b

Model: MK116 Pro Upper
Product Type: Upper
Finish/Color: Black
Fit: AR Rifles
Description: MLOK
Caliber: 223 Wylde