By David Crane
defrev (at) gmail (dot) com
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June 4, 2013
Primary Weapons Systems (PWS) has a cool little 10.75"-barreled semi-auto-only 5.56mm NATO (5.56x45mm NATO)/.223 Rem. tactical AR SBR (Short Barreled Rifle) called the PWS MK110 MOD 1 Rifle, .223 that was designed and developed specifically for suppressed and unsuppressed use. Since it's designed to be fired suppressed, the MK110 SBR utilizes an adjustable gas block. DefenseReview (DR) got a chance to handle the little black bullet blaster at SHOT Show 2013 thanks to the kind assistance of one Lloyd Ayers of PWS.
One of the most notable features of the PWS MK110 MOD 1 5.56mm AR SBR is the mid-length gas piston/op-rod (push-type operating rod) system that comes apart for for easier maintenance. This system was originally designed and developed for the PWS MK107 MOD 1 Rifle, .223 "Diablo" 7" (7-inch) SBR. DR was one of the first publications (and perhaps THE first) to write about the PWS MK107 Diablo 7" tactical piston AR SBR in any detail, right after SHOT Show 2009. The Diablo looked like a badass little sub-compact 5.56mm SBR package for covert ops and vehicle ops, and the same can be said about the MK110 MOD 1.
Other notable features are a PWS stainless-steel Isonite Treated 1:8"-twist barrel, PWS KeyMod modular rail system, BCM Gunfighter Charging Handle (can't go wrong with this accessory), and MagPul MOE tactical accessories (buttstock, pistol grip, MBUS sights (BUIS). The flash hider/flash suppressor on the weapon we saw looked interesting, as well, but we don't know whose it is, yet. In the meantime, check out the video clip below:
The following information on the PWS MK110 MOD 1 SBR comes directly from the PWS website (slightly modified for presentation and readability):
PWS 10.5" Piston Driven Rifle, .223, SS Isonite QPQ Treated, Button Rifled, 1:8 Twist Barrel, mil-spec receiver, quad rail More details…
The PWS MK110 Rifle was developed specifically for those looking for the smallest rifle package recommend for suppressed use. This compact design retains lethal capability out to 300 meters and has been proven highly effective by users in various communities.
Utilizing the proven system originally designed for the MK107, the MK110 uses a mid length gas piston system. The operating system, designed after the venerable AK-47, features a long stroke fixed operating rod design with an adjustable gas block, 15” handguard and free-floated barrel.
The handguard features the VLTOR KeyMod System which comes standard with two 2” sections of 1913 rail as well as a continuous 1913 top rail.
Understanding the importance of an ultra-reliable package that is light as possible, mil-spec forgings are used for the upper and lower receiver. Additional features include the BCM GUNFIGHTER™ charging handle, the PWS enhanced buffer tube and an ALG Defense QMS trigger. The rifle is rounded out with industry leading features such as Magpul® MOE® grip, MOE® stock, and MBUS2® sights.
Available as a complete rifle or as a complete upper receiver.
Caliber: .223 Wylde
Weight: 6 lbs, 2 oz (2.79 kg)
Overall Length: 27.5” (69.9 cm)
Barrel Length: 10.75” (27.3 cm)
Muzzle Velocity: 2654 ft/sec (M855)
Muzzle Energy: 970 ft/lbs
– PWS Forged Mil-Spec Upper and Lower Receiver
– PWS Stainless Isonite Treated 1:8 Twist Barrel
– PWS Enhanced Bolt Carrier Group
– PWS KeyMod Rail System
– BCMGUNFIGHTER™ Charging Handle
– Magpul MOE® Stock and Grip
– Magpul MBUS® Gen 2 Sights
– Magpul MOE® Trigger Guard
– Magpul 30 round PMAG®"
Company Contact Info:
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