Looking for info on FedLabs 37mm launcher

Q: why do riot control launchers from this era have that sorta thumbhole stock? Seen it on a few different models. Was it for supporting the stock? Something to do with manual of arms or web gear? Compatibility with shields or something?

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DarthVaderhosen@reddit

The grenade launchers at my last job had the same and I asked the same question to the armorer and received this answer.

"Thumbhole stocks inherently make it easier and more efficient for the human muscle structure of the hand to hold the launcher steady whenever being held. A regular pistol grip is nice enough and all but requires minor contracting of the muscles in the hand which causes minor shake or sway. Thumbhole stocks let you be laser accurate which is extremely necessary so we don't accidentally inbed a 37mm tear gas cannister in a dude's face at mach jesus."

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petty_brief@reddit

That doesn't explain why it's actually easier. I imagine you get an extra support point against your wrist.

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Amanofdragons@reddit

That's cool af. Theres just something about toobz that tickle my tism. I wish I had any information to give you.

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DoubleDipCrunch@reddit

ask yer local sherrif.

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HefferVids@reddit

Well it was produced by fedlabs and fires a 37mm projectile. Hope that helps

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whodatbfromreddit@reddit (OP)

I recently won an auction for this Federal Laboratories 37mm model 201-Z. I would like to pinpoint the approximate build date for it, and maybe some history of its use in service at the specific department. According to the seller, it was a police trade-in from Baltimore PD. The stamping says it was built in Saltsburg, PA so I know it was at least built after \~1954 when they moved from Pittsburgh to Saltsburg. The serial number is AZ 10975, stamped on the receiver, under the barrel and it is only visible when the breach is opened. On other models the serial numbers were stamped on the bottom of the receiver where they are visible at all times, most of the other serials I've seen start with G and are in the 2xxxx range. The only good info I have found was this thread on a forum, but it seems like some of it is inaccurate. Not much information about these online. If I could get some other serial numbers of launchers that came with dated paperwork that would help me pinpoint what era it was built in.

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