chonky boi lower for mil spec uppers

about

This lower is designed to work with a standard ar15 upper reciver with rear charging handle and forward assist.

It requires
-1x AR FCG
-1x carbine buffer tube kit (no castle nut or back plate)
-1x buffer detent and spring
-1x usgi mag release
-1x bolt hold open
-1x 3-48 1.5” screw (for pinning the bolt hold open in place)
-4x 6-32 2” socket head screws (for reinforcing back section)
-1x 6-32 1” socket head screw (for reinforcing the pistol grip)
-1x 8-32 square nut and 5/8” 8-32 socket head screw (for indexing the buffer tube)
-2x ¼” 1.5” long screw posts or hitch pins

files

File Extension
Chonkyboi lower milspec upper.stl stl

versions

Version: 1.0.0 latest

Initial release

about

This lower is designed to work with a standard ar15 upper reciver with rear charging handle and forward assist.

It requires
-1x AR FCG
-1x carbine buffer tube kit (no castle nut or back plate)
-1x buffer detent and spring
-1x usgi mag release
-1x bolt hold open
-1x 3-48 1.5” screw (for pinning the bolt hold open in place)
-4x 6-32 2” socket head screws (for reinforcing back section)
-1x 6-32 1” socket head screw (for reinforcing the pistol grip)
-1x 8-32 square nut and 5/8” 8-32 socket head screw (for indexing the buffer tube)
-2x ¼” 1.5” long screw posts or hitch pins

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creator

Metrics

Views

4.3K

Downloads

576

Project Info

release date

Sep 09, 2022

artifact type

Printable project

library category

Printable Firearms

fabrication method

Printable Lower / Frame

fabrication tool

3D Printer

release country

United States

language

English

license

No license

Firearm Info

type

Rifle

platform

AR-15

caliber

.223 / 5.56x45

part

Lower Receiver

files

File Extension
Chonkyboi lower milspec upper.stl stl

versions

Version: 1.0.0 latest

Initial release

The files shown on this site are only available to U.S. Persons, as defined at 22 C.F.R. 120.15. The files are also not available to persons outside the United States or to residents of and persons in the State of New Jersey, with the exception of Federal Firearms Licensees.

Ghost Gunner 3s, GG3s, True Desktop CNC, by Defense Distributed Ghost Gunner 3s, GG3s, True Desktop CNC, by Defense Distributed

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