Engineering- Research & Development
Topics
[1] Oblong barrel port transfer sleeve?
[2] Need advice.....how to make a Rekord set back trigger blade.
[3] Anatomy of a N-Forcer (industrial gas spring)
[6] How do you recrown a barrel
[7] Wondering about making .22 gbb from airsoft....
[8] A GREAT FIND - INVALUABLE!
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