PWS MK109 300BLK Piston MOD 1-M Pistol Upper 9.75" Long Stro

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PWS MK109 300BLK Piston MOD 1-M Pistol Upper 9.75" Long Stroke System Triad30

PWS has brought back the original MK109 in 300BLK. The 9.75 in barrel length provides excellent reliability with a range of ammunition and still function well, with or without a suppressor and without the need for an adjustable gas system. The MK109 makes a great choice as an SBR or a pistol.

The Primary Weapons Systems MK1 MOD 1-M line of upper receivers feature the PWS long stroke piston system. Internally, this line offers the tried and true system that PWS owners have grown to know and love. Featuring a free-float MLOK handguard, forward assist controls, and a more true to mil-spec design, the MK1 MOD 1-M line is a go-to for not only civilians, but also Law Enforcement. With the fully forged upper, the MK1 MOD 1-M is a no-nonsense tool for when you need a high value option that is relentless and unstoppable.

The MK109 includes the Triad 30 Compensator.

Long stroke piston system

M-LOK handguards

Includes Radian Raptor Charging Handle

1:8 barrel twist rate

With the fully forged upper, the MK1 MOD 1-M is a no-nonsense tool for when you need a high value option that is relentless and unstoppable.

All NFA rules apply.

MK109 MOD 1-M Specs:

Barrel Length: 9.75"

Caliber: .300BLK

Weight: 3 lb. 10 oz.

Length: 18.75"

Piston System: Pistol

Velocity: 2264 ft/sec

MK109 MOD 1-M Features:

PWS long stroke piston operating system

Triad30 compensator

MLOK free float handguard

1:8 barrel twist rate

Radian Raptor Charging Handle

MK109 MOD 1-M Includes:

Rifle service tool

PWS MK109 300BLK Piston MOD 1-M Pistol Upper 9.75" Long Stroke System Triad30

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PWS MK109 300BLK Piston MOD 1-M Pistol Upper 9.75" Long Stroke System Triad30

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