Derwood Shuty

Shuty is a series of 3D printed firearms created by Darren "Derwood" Booth, a West Virginia carpenter. The Shuty is a semi-automatic pistol that is mostly 3D printed, but requires some factory-made gun parts. It is chambered in 9×19mm Parabellum.^[1]

Shuty V4 MP-1
Type	Semi-automatic pistol
Place of origin	United States
Production history
Designer	Darren "Derwood" Booth
Designed	2016
Specifications
Cartridge	9×19mm Parabellum
Action	Closed bolt simple blowback
Feed system	Glock 17 compatible magazine or custom 3D printed magazine

Design

The Shuty V4 MP-1 pistol uses a closed bolt simple blowback action like the Heckler & Koch UMP.^[2] The lower and upper receiver are 3D printed,^[1] a Glock barrel, metal hammer, metal firing pin and screws and bolts from the hardware store are used.^[3] The AP-9 has a buffer tube sticking out of its back which houses the action similar to an AR-15.^[4] None of the components require registration in the US, making it a privately made firearm.

Variants

Name	Date made public	Designer
Shuty V2[5]	2015-05May 2015	Derwood
Shuty V4 MP-1[6][7]	2016-01January 2016	Derwood
	"95% 3D printed" semi-automatic pistol. Metal parts include the bolt, barrel, hammer, firing pin, springs, and ordinary fasteners.[8]
Shuty AP-9[9]	2017-04April 2017	Derwood
	A successor to the Shuty MP-1
FGC-9[10][11]	March 27, 2020 (MKI); April 16, 2021 (MKII)	JStark1809 (DetDisp)[12]
	Based on Shuty AP-9. No parts kit required: barrel can be rifled via Electrochemical machining (ECM), instructions in metric, meant surpass European gun restrictions
Shuty WTF-9[4][13][14][15]	May 2020[16]	Derwood
	Stands for WeighT Forward (Bolt) in 9×19mm Developed from AP-9 Bolt weight is placed forward which results in the firearms having no buffer tube, unlike the AP-9
MOD-9[17]	June 2021	Derwood
	Developed from WTF-9 3 versions released[18] V2 can use alternate magwell for Beretta 92[19] magazines
MOD-9 Bullpup[20][21]	February 2021 or earlier	Mussy
	Uses pull rod instead of push rod unlike many bullpups Released in all 3 versions

See also

• List of notable 3D printed weapons and parts
• Privately made firearm