UBAR-9 Winterized


UBAR-9 Winterized: Laffs Dynamics

Variant of the RK Spookware UBAR-9, a AR-15 based lower receiver for chambering the 9x19mm cartridge. Uses double stack 9mm
Glock magazines.

Design Variant Features:

*Enlarged front of the trigger guard for use with gloves.

*Removed material behind trigger guard.

*Rounded the front section of the magwell.

*Added wrapped ridges down the front of the magwell.

*Added modifier designer’s logo.

*Strengthened the mag release hinge point.

*Added channels within the magwell for less friction during insertion/removal.

Printer Used: Ender 3 V2

Filament Used: PLA+

Print Settings:

Extruder: 220C
Bed: 56C
First Layer Print Height: .2mm
Standard Layer Height: .16mm
Wall Perimeters: 8+
Infill: 50%+
Infill Pattern: Gyroid
Support Material Percentage: 18%


This file pack is for the receiver only. Other printed part files will need to be downloaded from the base design release;
links provided in the below text.

Base UBAR-9 files can be found on DefCAD & Odysee:



(Other print settings and the hardware list will be provided in the base data pack)

Hardware for the UBAR-9 can be bought from:


RK Spookware: Creator of the UBAR-9 Receiver; used the base receiver model from their design release. Provided hardware.
Provided images for reference.

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