It’s literally a piece of piss to cut and shut magazines provided they’re roughly the same size, and even if they’re not it can still be done.
Years ago I grafted a stick mag lower onto an M4 stanag upper for an M4 pistol build. Looked cool, worked fine, albeit shit capacity. M4 receiver, Vector suppressor for a handguard, Scorpion EVO / M4 mag.
Rear wired to an XT30 plug, concertina battery wire ran up to a box attached to the sling.
With any custom mag, once the shell’s sorted the terminal wires and feed tube are easy. Same principle applies when you make custom drum mags… of which I’ve made plenty.
Long barrel with good seals and m90 is probably around 330fps anyway.
The nozzle to cylinder head spout will loosen up a little and drop slightly over time but about 320 was as low as I seen out of them.
Have a go on my bike Beemer, I can guarantee 50 shades of code brown when you hit the throttle.
No flaps or rudders, point and shoot I should invest in one of those gopros.
Actually, they had a gopro, did a big session but it was flat haha Some of the organized rides I’ve been on, put Crusty Demons to shame. Got woken up at dawn by dynamite going off, you may say fireworks, no it was explosives. Shook through my ute I was swagged out in, at dawn. Fkn crazy fks. Bit of drunken banter from some pissheads oh yea I’ll warm one of their mates bike up at 5am for him, XT500 they started it in front of his tent straight full throttle cold as and held it pinned. I’m like wtf these crazy crunts doing. Bang, blew the motor up deliberity and laughing there tits off. Owner crawled out of his tent, you cunts, thank fuck I don’t have to ride with you today.
I’d like to thank myself for stealing friendly’s idea, bme’s example and building on it and producing the final product which looks absolutely fabulous I might add