MA Receiver Extension Builder Kit

Your Price: $32.00
In Stock
Part Number:MA-RE-KIT

Choose Options

End Plate
Castle Nut

This receiver extension builder kit is just that, pick your own parts and build the kit you want. The base kit starts off with a 7075-T6 extension tube.

Included in this kit is the following:

  • Extension Tube is CNC Machined from 7075-T6 Aircraft Grade Aluminum with Precisely Rolled Threads for Durable Thread Engagement with Lower Receiver. (Base Kit)
  • Finished in a Matte Black Type III Class II Hard Coat Anodize (Dry Film Lube)
  • Drain holes in the 3rd, 4th, 5th and 6th latch positions
  • Stainless Steel Carbine Buffer Spring or one of the Sprinco choices.
  • Buffer of your choice.
  • End Plate of your choice
  • Castle Nut of your choice.
  • All components 100% Made in the USA from domestically-sourced metals by hard working American men and women.


ITAR: International Traffic in Arms Regulations Controlled Product

5 Stars
Don and modern armory are top notch
Everything about this company oozes quality
Did you find this helpful? 
Reviewed by:  from Bradenton. on 3/5/2021
5 Stars
Nice Stock Kit
I love the fact that I was able to customize the stock kit to my liking. Awesome CS and I will buy again.
Did you find this helpful? 
Reviewed by: (Verified Buyer)  from Post Falls. on 4/10/2019

Related Items

Recently Viewed Items