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mk111

The Mitsubishi Kasei (火星, Mars) was a two-row, 14-cylinder air-cooled radial engine built by Mitsubishi Heavy Industries and used in a variety of World War II Japanese aircraft, such as Mitsubishi J2M and Mitsubishi G4M. The Mitsubishi model designation for this engine was A10 while it was an experimental project, in service it was known as the MK4, and known as the Ha101 & Ha111 by the Army and Kasei by the Navy. According to unified designation code it was Ha-32 of the variants from 11 to 27.

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Recent contents
  1. sparky8

    PWS MK111 PRO long stroke piston upper w/AAC 51t muzzle brake

      1. For Sale
    • $600
    • Newberg
    • Oregon
    Up for sale is a factory PWS MK111 PRO long stroke piston upper with AAC 51t muzzle brake. These PRO uppers are an amazing value for PWS's long stroke piston system and unfortunately PWS just discontinued this line. Very minor salt on a couple MLOK slots from attachments. Here's what you get -...
  2. sparky8

    PWS MK111 PRO long stroke piston upper w/AAC 51t muzzle brake

      1. For Sale
    • $580
    • Newberg
    • Oregon
    Up for sale is a PWS MK111 PRO complete upper with AAC 51t muzzle brake . Less than 100 rounds through this. PWS just discontinued making these PRO series uppers. These are an excellent with PWS's long stroke piston system. Very minor salt on some of the MLOK slots from attachments. Here's what...
  3. Creamee

    WTS: MK111 MOD 1-M Upper 11.85" .223 Wylde UNFIRED! PRICE DROP

      1. For Sale
    • $900
    • Seattle
    • Washington
    For the guys in NOT-WASHINGTON. I bought this mid covid. Put a dead air xeno FH on it and put it on a lower. Never fired it. It has a few marks from lightly bumping into other items in my safe. I would prefer to keep the xeno and ship it with the factory flash hider, pictured with it. I have...
  4. ScarceResource

    PWS 11.85" MK111 MOD1 Complete Upper .223 Wylde

      1. For Sale
    • $800
    • Portland
    • Oregon
    Selling this as the complete upper, only. I didn't want to take all the accessories off just to take the picture (sorry!). I'll also include the original PWS muzzle device, not the HUXWRX one pictured. This upper uses PWS's long-stroke piston system (like an AK), which is great for suppressed...
  5. J

    Used PWS MK111 MOD 1-M UPPER .223 WYLDE

      1. For Sale
    • $600
    • Chewelah
    • Washington
    Used MK111 MOD 1-M Specs: SKU: 18-M111UA0B, UPC: 811154030351 Operating System: PWS Long Stroke Piston System, 3 setting Adjustable Gas Regulator Caliber: .223 Wylde Barrel Length: 11.85” Gas System Length: Carbine Barrel Twist Rate: 1:8 Muzzle Velocity: 2741 fps Muzzle Device...
  6. J

    Used PWS MK111 MOD 1-M UPPER .223 WYLDE

      1. For Sale
    • $600
    • Chewelah
    • Washington
    Used MK111 MOD 1-M Specs: SKU: 18-M111UA0B, UPC: 811154030351 Operating System: PWS Long Stroke Piston System, 3 setting Adjustable Gas Regulator Caliber: .223 Wylde Barrel Length: 11.85” Gas System Length: Carbine Barrel Twist Rate: 1:8 Muzzle Velocity: 2741 fps Muzzle Device...
  7. R

    PWS MK111 Pro Upper

      1. For Sale
    • $550
    • Waterville
    • Washington
    I am selling my PWS MK111 Pro upper. It's exactly as it came from the manufacture with no modifications. I have put approximately 60 rounds through it. It is in very good condition with marks only on the brass deflector (shown in photos) and light mark on hand guard from mounting a flashlight...
  8. oMenRC51

    Sold -PWS MK111 mod 2 300 blackout PISTOL

      1. For Sale
    • $1750
    • Renton
    • Washington
    Purchased new from Prepper Gun shop. Less than 500 rounds fired. Sale comes with pistol, 1 new PMag magazine and original case. More pics to follow. No trades.
  9. .45's and .38's

    PWS MK111 Pro build 11.85”

      1. For Sale
    • $850
    • Portland
    • Oregon
    I say build because it’s a complete upper on a palmetto lower I put together . The upper looks brand new unused in original box and the lower and everything else is brand new unused. I’ve read lots and lots of reviews and I hear these uppers run and run forever and make great suppressor hosts...
  10. djharteloo

    11.5 pws mk111 pro piston upper, aero lower, trijicon mro

      1. For Sale
      2. For Trade
    • $1100
    • Yacolt
    • Washington
    Bought this upper a few months ago to try one out and the whole build doesn’t get used. 11.5 inch barrel, long stroke gas piston with 4 gas settings, 10 inch mlok handguard, radian raptor lt charging handle. Lower is Aero with an Aero lower parts kit, sba3, B5 systems grip, and with the castle...
  11. hungfarlow82

    PWS MK111 MOD 2-M NEW! (Reduced!) 9/16 final drop!!!

      1. For Sale
      2. For Trade
    • $2000
    • Happy Valley
    • Oregon
    Looking to sell my NIB PWS MK111 MOD 2-M (223 wild) Or trade towards a KAC SR15 MOD 2 CARBINE 14.5” complete or just upper, Nightforce NX8 or Atacr 1-8, kahles 1-8. Vortex / Leupold 20x60 spotting scope. Vortex / Leupold range finder. +/- cash on trade or multiple items. $2,000 shipped obo...
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