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This is a beta of a 7 shot, pump action, 37mm flare launcher. My model is built around an et cetera CM2037 37mm barrel, your may need to modify the design to fit your unique barrel.
updated 3-23-24
-optional tri rail grip
hardware required:
-6-32 drill and tap set
-1/4-20 drill and tap set
-24" 5/8 x 5/8 aluminum rod (cut into 9.25" and 14.75" sections)
-4" 5/8" round rod (cut to 97mm, one end rounded)
-36" 1/4"-20 threaded rod (easier to cut after its been screwed into support holes)
- 3/4" round aluminum rod (will be cut into a 1/4" thick section)
-6-32 socket head screws
--1" x8
--3/4" x9
--1/2" x7
-8-32 socket head screw, 5/8" long plus square nut
- approximately 55mm long 7.4mm OD spring for firing pin return
-approximately 36mm long 6.5mm OD spring for ejection port cover plunger
-1/4-20 1 3/8" long hex head bolt for cylinder locking bolt
-1/4-20 1" socket head screw for ejection port hinge
-1/4-20 2" or longer bolt, head size is irrelevant because it will be cut off and ground into shape after being inserted.
-OPTIONAL 1/2-13 threaded rod, 12" if you chose to print a buffer tube with the supplied model.
AR15 specific parts
-firing pin
-Hammer, trigger, disconnect, selector springs and pins.
-pistol grip (can be printed)
-carbine stock (can be printed)
-vertical grip
-OPTIONAL carbine buffer tube (can be printed or the plug can be printed)
i included files for two drilling jigs so that you can use a hand drill to drill pilot holes for the 6-32 and 1/4-20 holes in the aluminum rods.
there is a jig for drilling and cutting the aluminum breach face. the 6-32 pilot hole drill is the right size to drill the firing pin hole.
the is a copy of a 37mm round that uses a 209 primer to launch 3 15mm flares or scare cartridges. they are re-loadable. they use a hair rubber band in the channel to hold the 3 15mm shells in place.
there is a copy of a 26.5mm to 37mm adapter
i'll post updates soon.
LBRY Tags: 37mm
updated 3-23-24
-optional tri rail grip
hardware required:
-6-32 drill and tap set
-1/4-20 drill and tap set
-24" 5/8 x 5/8 aluminum rod (cut into 9.25" and 14.75" sections)
-4" 5/8" round rod (cut to 97mm, one end rounded)
-36" 1/4"-20 threaded rod (easier to cut after its been screwed into support holes)
- 3/4" round aluminum rod (will be cut into a 1/4" thick section)
-6-32 socket head screws
--1" x8
--3/4" x9
--1/2" x7
-8-32 socket head screw, 5/8" long plus square nut
- approximately 55mm long 7.4mm OD spring for firing pin return
-approximately 36mm long 6.5mm OD spring for ejection port cover plunger
-1/4-20 1 3/8" long hex head bolt for cylinder locking bolt
-1/4-20 1" socket head screw for ejection port hinge
-1/4-20 2" or longer bolt, head size is irrelevant because it will be cut off and ground into shape after being inserted.
-OPTIONAL 1/2-13 threaded rod, 12" if you chose to print a buffer tube with the supplied model.
AR15 specific parts
-firing pin
-Hammer, trigger, disconnect, selector springs and pins.
-pistol grip (can be printed)
-carbine stock (can be printed)
-vertical grip
-OPTIONAL carbine buffer tube (can be printed or the plug can be printed)
i included files for two drilling jigs so that you can use a hand drill to drill pilot holes for the 6-32 and 1/4-20 holes in the aluminum rods.
there is a jig for drilling and cutting the aluminum breach face. the 6-32 pilot hole drill is the right size to drill the firing pin hole.
the is a copy of a 37mm round that uses a 209 primer to launch 3 15mm flares or scare cartridges. they are re-loadable. they use a hair rubber band in the channel to hold the 3 15mm shells in place.
there is a copy of a 26.5mm to 37mm adapter
i'll post updates soon.
LBRY Tags: 37mm