RPK Headspacing Service: Customer Supplied Kit *READ INSTRUCTIONS IN DESCRIPTION*

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For headspacing RPK or other heavy/long barrel kits.

Parts required for headspacing:
✔️Front Sight/gas block
✔️Gas tube
✔️Lower HG retainer
✔️Rear Sight
✔️Front Trunnion
✔️Barrel pin, 4mm pin, 3mm pins
✔️RPK cleaning rod retainer & Bipod (depending on build needs)

❌Bolt carrier is not neccessary for headspacing, you do not need to send it.

Headspacing lead time will apply: 6-8 weeks ETA.

Simply add this service to your cart. Print your invoice after placing your order, and put it in the box with your parts when you ship them to us. Once work is complete, we will ship your headspaced kit back, and you will get an email with the tracking number. If you need us to supply any parts that we have in stock, including a barrel, feel free to include them with this order.

Our shipping address is: 

Arms of America
STE #67

If you have any questions or want to know about non-standard or custom work, please contact us and let us know.

*Please package your parts individually so they do not get dented or dinged in shipping. Please do not send more parts than you paid for.


  • 5
    Very happy with results

    Posted by Kort Laupp on Nov 13th 2021

    I am very happy with the results with my kit, they were very informative and helping me with my oversized tronium and sugestion solutions, I was able to keep my original trinion and use the barrel i sent , I would highly recommend anybody else who would like to head space and care