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  #1  
Old 11-15-2007, 03:25 PM
deano 177's Avatar
deano 177 deano 177 is offline
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Default Rear cocking MR1

This took a little work but I am pleased how it turned out. If anyone has any questions don't hesitate to ask... and now, on with the show...

Here is the finished version...
http://server.myspace-shack.com/d14/DSC01076_1.jpg

Here is a shot of the venturi bolt with the rear cocking pin... If you noticed I cut the stock's adapter off and incorporated it to my design. I had to drill a 1/4" hole which gave the cocking pin plenty of room to slide through. The bolt is an eye bolt with a closed loop. I felt this would be better for not getting hung up on things but at the same time allowed for a good grip to pull while wearing gloves. The bolt I used has a 12x24 thread pattern and is 3.25" long from the end of the threads to the front of the ring (ring not included in measurment). I also used a nut to lock it to the V-bolt. This is not the correct size because the ball dent screw is metric (just like all the other screws). There is a screw chart pinned in the general spyder forum and some of the MR1's screws there have a number. The ball dent screw does not but I would guess that it is a #14 or #16. Don't quote me on that. At some point I will go to lowes and get the correct size but what I have works for now... I also used some LOCK TIGHT thread locker on the thing...
http://server.myspace-shack.com/d14/DSC01063_1.jpg

Next we have a picture of the Pull Pin Cocking Knob. I kept the original and just used a 1/4x20 bolt that has been cut down to fit. The groove was made by chucking the bolt in my drill and while spinning I lightly touched it to a grinding wheel that was also spinning.
http://server.myspace-shack.com/d14/DSC01068_1.jpg

Here is a rear view of the marker to show what it looks like...
http://server.myspace-shack.com/d14/DSC01069_1_1.jpg

And one more shot of the marker fully assembled...
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Last edited by deano 177 : 11-15-2007 at 04:01 PM.
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  #2  
Old 11-15-2007, 04:30 PM
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cyberthrasher_706 cyberthrasher_706 is offline
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Default Re: Rear cocking MR1

looks good. Now, is it going to hit you in the eye??
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  #3  
Old 11-15-2007, 05:32 PM
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deano 177 deano 177 is offline
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Default Re: Rear cocking MR1

Quote:
Originally Posted by cyberthrasher_706
looks good. Now, is it going to hit you in the eye??
I guess that is a possiblility but the bolt only moves about an inch and I don't think that I will be that close.
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Old 11-15-2007, 07:51 PM
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Default Re: Rear cocking MR1

Quote:
Originally Posted by cyberthrasher_706
looks good. Now, is it going to hit you in the eye??
LOL! but um I think you need a beavertail if you want to have a "rod" sticking out of the back. I'm pretty sure autocockers need one to play at fields...maybe not? nice marker btw
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Old 11-16-2007, 05:47 AM
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Default Re: Rear cocking MR1

I agree, I would shorten the cocking rod a bit and make a beavertail for it. Right now you will be mindful of it but after a while you'll forget and with the speed the bolt moves at, it could really hurt you.
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  #6  
Old 11-16-2007, 08:06 AM
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deano 177 deano 177 is offline
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Default Re: Rear cocking MR1

Quote:
Originally Posted by shunut
I agree, I would shorten the cocking rod a bit and make a beavertail for it. Right now you will be mindful of it but after a while you'll forget and with the speed the bolt moves at, it could really hurt you.
Well, in the last shot that is with the marker cocked and ready to fire. I was just in the yard trying to get my scope sighted in and the marker really works great. I really can't shorten the rod by much. I could take about an inch out of it. I will check it out. Part of the reason that I used the EYE bolt is because it has the rounded edges. If it hits the mask, it will be more likely to glance off. One of my friends' mask has scratched on the lens where his bolt has made contact with it. I will think up something to put over it....
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Old 11-17-2007, 12:31 AM
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Default Re: Rear cocking MR1

look cool, i didnt think it would be that easy. i might try that if i get board of the stock
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  #8  
Old 11-19-2007, 06:54 AM
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Default Re: Rear cocking MR1

Hi im newbie!!

I try to buy a Delrin ACS Bolt Rear Cocking for my MR-1 but i don’t know what is the Right choice

I try to buy in Amazon but I don’t know what is the right option

Please help me!! Can you post the link of all a Delrin ACS Bolt Rear Cocking for the MR-1 (whit stock or with out stock)

I really love my MR-1… I take a couple of picture to post here very soon!

Thxs for the help!

Jaws
MR-1+AR-15 Stock+ Laser Sight and Red Point Sight
+ Spyder Tactical Rail, and more modifications incoming soon!!
Spyder Electra ACS

PD: Sorry for my bad English!!
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  #9  
Old 12-06-2007, 06:01 PM
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deano 177 deano 177 is offline
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Default Re: Rear cocking MR1

Check this thread for most of the upgrade parts...http://www.spyder.tv/forums/showthread.php?t=8340
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