5.56/.223 WBP AKM - Standard Parts Kit - *HEADSPACED*

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(10 reviews) Write a Review
$751.50 - $792.00
**ALL HEADSPACED KITS WILL CARRY A LEAD TIME - Current expected lead times can be found in our FAQ**

Polish *FORGED TRUNNION* Model WBP AKM-5.56 Parts kit
Headspaced using the Green Mountan 5.56 Nitride barrel 1:7 twist item #10210.
223/5.56 Cal

100% Brand new Polish production AKM-47 Parts kit utilizing the original Military forged trunnion. MFG in Rogow, Poland by WBP These parts kits feature a 100% fully machined bolt & bolt carrier fully heat treated w/ finish. Unlike any other new production AK bolts currently being sold, WBP checks these bolts for 58 proper dimensions using the Zeiss CMM. Built to serve both civilian and law enforcement needs these parts kits have the ability to function in semi auto only or select fire/full auto if necessary. We do not include the 3rd axis pin or fire control parts in this package.

This parts kit includes everything needed for a standard spec AKM build, minus furniture, receiver, and trigger parts which we offer. You will also need rivets to complete the assembly.

You will want to purchase the following to complete this (we offer all of these parts)
-US Semi Auto trigger group
-Rivets for assembly
-Furniture such as buttstock is not included but this kit will accept all popular AK stocks such as Magpul, Tapco, and most surplus stocks.

These parts kits survived extensive torture testing from AKOU


  • All kits that we headspace will ship with a drilled gas port.

  • During assembly, it is normal for tools and machines to cause minor cosmetic scratches to the original parts finish.
    Most commonly, drilling any holes will cause metal shavings to scratch paint around the hole, and hammering any pins in with a punch will remove finish from the pin.
  • In order to complete your build, you will need to remove your barrel from the trunnion, rivet the trunnion into your receiver, then press the barrel back in.
    We pre-drill the barrel pin hole so you are able to use that as a guide when pressing your barrel back in.

    Go/No-Go gauges must then be used to verify headspace before fully installing your barrel pin.
  • Your kit is 100% head-spaced correct out of the box. We perform a series of checks across several team members prior to every order shipping out.
    If you have concerns, you must check headspace BEFORE changing anything about the headspaced assembly using GO/NO-GO GAUGE!!!

    If you have questions, please take pictures, and/or video, and reach out to us.
  • Once the barrel is removed, or any alteration has been made to the populated barrel, at that point the customer or builder becomes responsible for the build. AOA cannot take responsibility for a headspaced assembly once alterations have been made to our gunsmith's work.
    Removing the barrel and reinstalling it may result in head-space loosening or tightening of your pre-head spaced kit if you are only eyeballing the barrel pin hole. It can look lined up, but still be off by a few thousandths of an inch.
  • Recheck head-space after you are done riveting your trunnion into your receiver and reinstall the barrel, and ensure it is correct BEFORE pressing the barrel pin.

    **If you need to send an assembly back, we will charge another headspacing fee. We also cannot accept receivers, so if it needs to be sent back in, you must remove the receiver if it has already been riveted.
  • Once all built, please clean your firearm before firing to make sure your new firearm is clear of assembly or shipping debris. If your assembled firearm is failing to cycle, sometimes metal burrs may get lodged in the gas port and need to be cleared out.
    Thank you again.


  • 5
    AKM .223

    Posted by John wilson on Jun 18th 2024

    Great product. Fast turnaround and works great!

  • 5

    Posted by J on Sep 12th 2023

    Sweet kit. Put together well can't wait to finish the build and test it out.

  • 5

    Posted by Carl on Apr 29th 2023

    I can't wait to build this into a side folding paratrooper!!!! I'll have the complete set.

  • 5
    Wytwórnia Broni Jacek Popiński (WBP)

    Posted by D.A. on Aug 31st 2022

    Quality 5.56/.223 WBP AKM parts kit from Poland. Will try to build this using an AR mag adapter. Not sure yet of any mag fitment issues with using 45mm vs 39mm ammo length. Can be resolved by filing at the mag well. Awesome parts kit and head spacing. Thanks!

  • 5
    5.56 parts kit

    Posted by Tyler on Jul 15th 2022

    Looks great, always will order from AOA

  • 5
    WZ08 Universal AKM Series!!! Upgrade of WZ96!!!!

    Posted by Carl Gaskill on Jun 10th 2022

    I can't wait to build a Desert Storm X4 series 5.56mm NATO AK74/AKM!!! This kit is the exact 2008 production copy!!!!

  • 5
    Head spaced .556 kit

    Posted by Brad on Mar 25th 2022

    Headspace was very tight,required a little pressure on the go gauge just the way I like them, finish is pretty nice,it took 6 weeks to get but worth the wait

  • 5
    I love Arms of America

    Posted by Nicholas Meszaros on Aug 17th 2021

    kit was in excellent condition and came with all the parts promised. I checked the head-spacing and it was perfect, solid lock up! I may get another if they're available again.

  • 5
    5.56 WBP headspaced kit

    Posted by Curtis on Jun 9th 2021

    Just got mine built. Easy build, no issues with the parts kit at all. Mine was new parts, no markings on the trunnion, just WPB and the Polish eagle on the rear sight block. Everything pressed together smooth, no binding. Put 300 rounds through the gun first trip out to proof the build. Rounds feed good, ejection was consistent 20’ away in the same spot. Well worth the money, half the cost of a factory built gun.

  • 5
    WBP AK kit

    Posted by 77Malibu on Dec 10th 2020

    Really nice kit, ready to build. All barrel parts were lined up strait, bolt is correctly head spaced, pins nicely drilled. Components are nicely machined and are of the same finish. The trunnion does not have a serial number but the bolt does. So I think these were originally virgin parts that were assembled by AoA. Very pleased with this 5.56 kit.