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Has a stock ever messed up you gun???

Printed From: Tippmann Paintball
Category: Paintball Equipment
Forum Name: Gun Maintenace and Repair
Forum Description: Important info for keeping your marker in top shape
URL: http://www.tippmannsports.com/forum/wwf77a/forum_posts.asp?TID=120910
Printed Date: 16 May 2025 at 1:56pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com


Topic: Has a stock ever messed up you gun???
Posted By: stxmike10
Subject: Has a stock ever messed up you gun???
Date Posted: 11 December 2004 at 5:21pm
I was just wondering if anyone else has had any problems with adding a stock to their gun.  I have an A5 and i put a CAR stock on it and soon after the spring had been bent out of shape!!!  So i am wondering if it was just back luck or if these stocks have a history of doing so.  Please post me a message and tell me if it works fine for you or not. Thanks

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"I Came, I Saw, I Conquered"-Caesar



Replies:
Posted By: triggerhappy1
Date Posted: 11 December 2004 at 9:10pm

the car stocks, or most anyway, have a built in rear velocity adjuster (RVA). it adds or lessen spring tension enableing you to control your velocity. it seems like its all the way out and theres too much tension causing your spring to bend. im not exactly sure how to loosen it, but i think its just that screw notch in the butt of the stock. i think you have to loosen something first.

also, make sure your drive pin is in. it goes inside your drive spring, then in the stock.



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Posted By: Shadowminion
Date Posted: 12 December 2004 at 10:06am

Ya, I have seen a lot of posts, from peeps who put stocks on their guns, and have problems . prolly as many dont, but you dont hear about them , lol

 



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SL68-II , micro honed and polished .688" bore . Tuff Enuf .
Widowmaker , under construction


Posted By: LordJovian
Date Posted: 13 December 2004 at 1:05am
Yeah- you may have forced the spring in too much and benmt it, or the RVA is ALL THE WAY IN and making the tension too tight. I'm not sure if your CAR stock has an RVA. It's more than likely user error than "back" luck or a crappy stock. Of course, depending on where you got the stock it may be crappy.

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A-5
E-grip
Chipley Custom Carbon Graphite 16"
Evil Adapter(Spyder)
32 Deg New '03 XChamber
Remote Line
Gun Sling
Sniper f/x Stock
LPK
68/4500 HPA
R-5
CP Reg
JCS Duel Trigger


Posted By: TrippiN
Date Posted: 13 December 2004 at 11:16am
yea probly user error, make sure that drive pen is in.. and "back" luck.. i just caught that..

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Spyder Imagine 2k4
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-14" Custom barrel
-DOP Xcore 8stage X Chamber
-DOP Bullet Drop
-12v Revvy w/x board
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Posted By: Spartan A-5
Date Posted: 13 December 2004 at 1:30pm
car stocks are crap mine fell apart were it connect to the back of  the a-5

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A-5
Flatline
swat force red dot         
tapco scope mount
micro cap
next:
ex. chamber
solid stock


Posted By: evil_fingers
Date Posted: 13 December 2004 at 5:17pm
Ive always suggested using gas-thru stocks to avoid any problems of using them car stocks and RVA stocks and wit the gas thru stocks I find it that it is more comfortable to use and it doesnt effect the performance of the marker internally.

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Do not steal....the government hates competition!


Posted By: Arbites
Date Posted: 23 December 2004 at 1:29pm
Originally posted by triggerhappy1 triggerhappy1 wrote:

the car stocks, or most anyway, have a built in rear velocity adjuster (RVA). it adds or lessen spring tension enableing you to control your velocity. it seems like its all the way out and theres too much tension causing your spring to bend. im not exactly sure how to loosen it, but i think its just that screw notch in the butt of the stock. i think you have to loosen something first.

also, make sure your drive pin is in. it goes inside your drive spring, then in the stock.

FYI, all the way out decreases tension, but he is right that this is likely causing the bent spring. The problem when it is all the way out is that it actually makes the drive spring pin too short and it could get hung up. It doesn't need one that is a lot longer, but that 1/8" is making the difference.

I have never had trouble with my stock (from Extreme Sports & Hobbies - see below) but I too have read of TONS of people complaining about their stocks being problematic (inconsistent velocity changes) due to the stock fitting loosely to the marker frame.

 



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A-5: 12" Ceramic, Egrip/WAS/Duel, HPA, MP5 sliding stock
SMG-68: 12" Ceramic
68-Specials(8): 12"&14" Ceramic, 12V Revy *** 1 Tip-n-Strip, 1 Blue, 1 FA w/Qloader
SL-68: 14" Ceramic
SMG-60 Ext. Line


Posted By: LordJovian
Date Posted: 23 December 2004 at 5:16pm
Huh, why'd you bring up an old post? To fix the stock wobble, use all your strentgh to stretch an o-ring around the internal cap of the stock, and use a hammer (or rubber grip part of needle node pliers) to pound the pins back in. This holds it steady, and after a while it'll get easier to remove them, but it'll still hold tight.

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A-5
E-grip
Chipley Custom Carbon Graphite 16"
Evil Adapter(Spyder)
32 Deg New '03 XChamber
Remote Line
Gun Sling
Sniper f/x Stock
LPK
68/4500 HPA
R-5
CP Reg
JCS Duel Trigger


Posted By: waspfarmer
Date Posted: 11 May 2005 at 5:25pm
I used a 1mm thick rubber flat washer as described above.  It needed a little trimming around the pin bungs, but fit together snugly without "hammering", has no wobble, and I can still push the pins out.  The tension on the RVA needs a bit of fiddling.  With mine all the way out, I was starving the gun when fireing rapidly causing the sear not to catch the bolt, like I ran out of air.  I think the trick is to find just enough tension to give good opperation, but not too much as to waste air.  I havn't played with it enough to comment on any efficiency improvement. 


Posted By: 193dKlink
Date Posted: 15 May 2005 at 5:43pm

Had the same problem just this weekend. 

I have a CAR Stock w/ RVA and just this weekend I had serious problems with my A5 not feeding.   

1 of the guys who works at the field and the local store told me to put on the end cap and pin that came with the A5  and see if it still happens.  NOPE.   Everything worked fine the rest of the day.  Next time I head to the field I am going to adjust my RVA all the way forward just like the standard Endcap and Pin sit when you get the gun and see if I still have the feeding problem.  If so I am going with a stock that does not use RVA.

He then explaned that some Stocks causes this problem and he ran into a few when working on A5's w/ stocks and it totally stumped him on why the A5 was not feeding.  His boss told him to take the stock off.




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