The video I owe around here, of the single pump pistol. In this case, they shoot 1/4" steel bb^s. I have currently switched ammo to 0.23 gram airsoft pellets ; It has about 3.5X and the performance is very good. https://youtu.be/QsRumkMX9NQ?si=n4GxjqizYdjECYNE The operation of the gun in the video i...

"There may not be poets, but there will ALWAYS be poetry" :) Well said :D Here is what the new design looks like internally, roughly to scale: https://i.imgur.com/JdRFF9d.png The piston locking balls are now kept in place with a central ball, with the latter's centerline slightly biased to the rear...

I've done some work with a testbed cartridge for 12 gauge, here is roughly what it looks like internally: https://i.imgur.com/CO2AO0R.png This is just a proof of concept, the idea was to have a balanced spool (orange) within the chamber that retains pressure, in this case filled through a butane lig...

Voici l'image:



That looks fantastic, I like how you've incorporated 3D printed elements and impressive muzzle energy too, it must be very loud!

Interested to see the projectile, is the barrel a smoothbore?

Yet another vintage pellet gun resto-mod :D The Pell Master 700 is a somewhat unique CO2 rifle that was first manufactured by Crosman in 1967 and only made for four years. Unlike most similar devices pellets are loaded through a rotary tap rather than a bolt, and the hammer and valve are in line wit...