Materials:
-5/8 X 3/4 inch butyrate
-CPVC
-PVC
-superglue
Tools:
Dremel
Hacksaw/pipe cutters
ruler/omnigrid
First, cut a piece of the butyrate 8 3/4 inch long:
Then, cut a breech slot starting 1 1/2 inches from one end, and make it 4 1/2 inches long:
Cut your CPVC to about 8 inches long:
Then sand down your piece of CPVC and hammer on a 1 1/4 inch piece of PVC. (dremel if needed)
Insert your barrel (CPVC) into the breech, and glue on a nub of your choice, and your done! If you sanded it right, it should slide and still make a perfect seal. Final product:
To Answer any questions:
Yeah, my camera sucks. No, I did not attach the nub yet in the last picture. And Yes, you can make this breech in different sizes. Here are the dimensions for one that could be used with a pistol:
Butyrate: 6 3/4 inches
Breech slot: 4 1/4 inches
Barrel:6 1/2 inches
Handle(PVC): 1 inch
Questions? Comments? Flames?
Edited by ultimatenerf 320, 08 August 2010 - 09:25 PM.