The .50 caliber BMG pen has a special "wow" factor of its own that makes it very popular among outdoorsmen and military enthusiasts. This ballpoint twist pen kit utilizes a genuine once-fired .50 BMG case, single 7 mm tube, cross style ballpoint twist mechanism and 24k Gold plated nib. Instructions included.

• Cross® type ballpoint refill
• Twist operation

Specifications:
Finished size: 9/16" x 5-1/2" to 6-3/8"
Minimum blank size: 3/4" x 3/4" x 2"

Includes:
Instructions
Cross® type ballpoint refill
Pen components (blank not included)

Items needed to complete:
Drill bit: 7mm
Bushings: PSI 50 Caliber Machine Gun Pen Bushings
7mm Pen mandrel
Barrel trimmer head
Pilot shaft: 7mm

Replacement items:
Ink refill: Cross® type ballpoint
Brass tube: PSI 50 Caliber Machine Gun Tube