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 M870 airsoft pump shotgun conversion

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ljerr2
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Location / Country : Iowa, USA
Registration date : 2008-11-26

PostSubject: M870 airsoft pump shotgun conversion   Sat Oct 15, 2016 11:21 pm

Messed around today...........some preliminary results with an airsoft pump shotgun converted to cap-firing.  Not there yet, probably goes on the shelf now for another rainy day to pick back up and work on it later......

Video - sorry for the ugly mug in there - didn't realize I was in the frame that much until it was too late!  Orange marking on the barrel  Sad  US rules with airsoft........


Here's a freeze frame photo of the flash:
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JatiMatic
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PostSubject: Re: M870 airsoft pump shotgun conversion   Sun Oct 16, 2016 1:10 pm

ljerr2 wrote:
- sorry for the ugly mug in there -

Crickets! Laughing

Joke aside: Well done converting; looks great.

Regards,

Jati
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claymore
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PostSubject: Re: M870 airsoft pump shotgun conversion   Tue Oct 18, 2016 5:41 pm

Well done on converting airsoft to modelgun, no easy task normally and yet again great muzzle flash
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MadMike
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PostSubject: Re: M870 airsoft pump shotgun conversion   Thu Oct 20, 2016 11:34 am

Great video! And this is an impressive conversion too!

BTW "ugly mug"? It must be my media player as I can only see a hell of a handsome guy here.
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mystikchepas
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PostSubject: Re: M870 airsoft pump shotgun conversion   Thu Oct 20, 2016 12:39 pm

Could be nice if you can make a tutorial Very Happy
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c_alexandersen
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PostSubject: how did you do ?   Fri Oct 28, 2016 7:19 pm

Yes i fully agree

can the internal mechnism be used ?
how did you build in the detonator pin ?

Very VERY interesting project Shocked
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veektohr
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PostSubject: Re: M870 airsoft pump shotgun conversion   Sat Oct 29, 2016 6:31 am

Would love a tutorial as well! Did you use the PPS as the base, or another model?
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ljerr2
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Location / Country : Iowa, USA
Registration date : 2008-11-26

PostSubject: Re: M870 airsoft pump shotgun conversion   Sat Oct 29, 2016 2:58 pm

Hi all.
The base airsoft shotgun is the PPS model. I found it online at a sale price of $178US delivered, and that included a bonus crappy spring pump airsoft shotty. For the price, I thought I'd give it a try!

I haven't had time to get back to this project, but hope to once it turns cold here. I still have some experimenting to do, but it does seem very promising initially.

I will post up when I get back to it and let everyone know how I get along. Whether it is a failure or success, I'll let you all know.

I know if it does workout ok, I will be very happy!!!
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ljerr2
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PostSubject: Re: M870 airsoft pump shotgun conversion   Sun Oct 30, 2016 1:54 am

Well, I just couldn't wait...............so I put off things that I SHOULD HAVE BEEN DOING, and picked up the 870 again.

I'm not 100% satisfied with it yet, but it cycles and fires great.  I've probably cycled and/or fired it 100 times.  Occasionally I get a slam-fire - that's keeping it from 100% right now.  Probably the addition of another o-ring in the cart and it'll be good.

So - here's a couple carts in action:


As far as a tutorial - I'll get up some info later for anyone interested in trying this out.  Very Happy
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muzzleflash
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PostSubject: Re: M870 airsoft pump shotgun conversion   Sun Oct 30, 2016 2:05 am

Get that tutorial up - would love to see how you did this!'


Last edited by muzzleflash on Sun Oct 30, 2016 8:14 am; edited 1 time in total
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veektohr
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PostSubject: Re: M870 airsoft pump shotgun conversion   Sun Oct 30, 2016 3:59 am

Of course we're interested! Are those just basic MGC shotty carts?
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Chris Rush
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PostSubject: Airsoft shotgun conversion   Sun Oct 30, 2016 11:56 pm

Great video! An airsoft/pfc hybrid. The forum founders/managers will need to include a new category! Thank you for sharing, Chris
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Cerwyn
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PostSubject: Re: M870 airsoft pump shotgun conversion   Wed Nov 02, 2016 4:23 pm

This is an impressive conversion lj  Very Happy A tutorial would be more than welcome  Exclamation

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Cerwyn

Hobby collector of Replica model guns and Militaria.
also member of Living History Reenactment Groups.
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ljerr2
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PostSubject: Re: M870 airsoft pump shotgun conversion   Wed May 10, 2017 4:04 am

Updated my 870 airsoft conversion - working great!  Here's a vid with just 5 caps per cart instead of 7.


I do plan to do a tutorial sometime soon - sorry for the delay.
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veektohr
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PostSubject: Re: M870 airsoft pump shotgun conversion   Wed May 10, 2017 6:02 am

Must. Have. Tutorial. Smile

You've got that thing working smooth as heck, man!
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8ace
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PostSubject: Re: M870 airsoft pump shotgun conversion   Wed May 10, 2017 7:23 am

It's great to see it in action  bounce

Excellent project.

8ace
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mystikchepas
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PostSubject: Re: M870 airsoft pump shotgun conversion   Wed May 10, 2017 10:41 am

Yes a tutorial please !!!
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claymore
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PostSubject: Re: M870 airsoft pump shotgun conversion   Wed May 10, 2017 5:06 pm

Brilliant job, looks excellent i want it give it to me Twisted Evil
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Chris Rush
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PostSubject: Airsoft conversion   Fri May 12, 2017 7:38 am

Excellent!
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MadMike
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PostSubject: Re: M870 airsoft pump shotgun conversion   Fri May 12, 2017 9:55 am

Very impressing job. Thank you very much for the update!
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c_alexandersen
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PostSubject: Re: M870 airsoft pump shotgun conversion   Sat May 13, 2017 9:02 am

Plain and simple a brilliant idea

I confident it's not that simple - but really curious on how it's done
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scrupule45
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PostSubject: Re: M870 airsoft pump shotgun conversion   Sat May 13, 2017 3:52 pm

i noticed some muzzle flash leaking from the chamber but other than that, thats pretty awesome cheers sunny
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smootik
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PostSubject: Re: M870 airsoft pump shotgun conversion   Thu May 25, 2017 3:52 pm

Great job!
Idea might have been simple yet execution is key here, your videos prove it :-)
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