PWS MK114 MOD 2-M .223 Wylde AR-15 Long-Stroke Piston Rifle, 14.5 in Pinned & Welded (16 in OAL), PicLok Handguard
This Primary Weapons Systems MK114 MOD 2-M pairs a .223 Wylde chamber with PWS's long-stroke gas piston system and a 3-position adjustable gas regulator. Notable features include a standard M4-style upper receiver with forward assist, shell deflector, and ejection port cover, the PWS PicLok free-float handguard with a full-length top rail, and a 14.5 in barrel that has been pinned and welded to reach a 16 in overall length with an LPM Eclipse flash hider. It comes in excellent condition and includes installed flip-up sights, a BCM vertical foregrip, and a Radian Raptor-LT ambidextrous charging handle.
The forward upper/handguard area is marked MK114 MOD 2-M, the lower receiver is marked "MODEL: MK1 CAL: MULTI," and the chamber is marked .223 Wylde. The build uses 7075-T6 aluminum receivers with a hard-coat anodized finish and a PWS Enhanced Buffer Tube with a ratcheting castle nut. This is a feature-rich, piston-driven AR-15 platform built in the USA with a stated 30+1 capacity.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Only minimal handling evidence is visible, and the bore presents a bright, reflective finish.
What’s Included
- Polymer flip-up front sight (installed)
- Polymer flip-up rear sight (installed)
- Bravo Company BCM vertical foregrip (installed)
- Radian Raptor-LT ambidextrous charging handle (installed)
- LPM Eclipse flash hider (installed, pinned and welded)
- 1x 30-round Magpul PMAG polymer magazine
The MK114 MOD 2-M uses a long-stroke piston operating system with a 3-position adjustable gas regulator. This design provides piston-driven operation tailored to varying conditions and ammunition while maintaining AR-15 ergonomics and control layout, including a manual safety.
Its 14.5 in 41V50 steel barrel features a 1:8 twist and mid-length gas, and it is equipped with an LPM Eclipse flash hider. The muzzle device is pinned and welded, bringing overall barrel length to 16 in. The rifle is chambered in .223 Wylde, supporting a broad range of .223 Remington and 5.56 NATO loads.
The PWS PicLok free-float aluminum handguard integrates a full-length 12 o'clock Picatinny rail with M-LOK-style slots at 3, 6, and 9. The upper is a standard M4-style receiver with forward assist, shell deflector, and ejection port cover, and controls include a Radian Raptor-LT ambidextrous charging handle. An adjustable 6-position collapsible stock pairs with the PWS Enhanced Buffer Tube featuring a ratcheting castle nut (patent D780,875).
Receivers are 7075-T6 aluminum with a hard-coat anodized finish, and markings include "MK114 MOD 2-M" on the forward upper/handguard area, "MODEL: MK1 CAL: MULTI" on the lower receiver, and ".223 Wylde" on the chamber. This rifle is built in the USA, has a stated capacity of 30+1, and comes outfitted with polymer flip-up sights and a BCM vertical foregrip for immediate usability.
This example includes the requested detail: the 14.5 in barrel has been pin and welded to bring overall length to 16 in, using the LPM Eclipse Flash Hider.