Upgrades and Customizing - converting to act

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converting to act

Printed From: Tippmann Paintball
Category: Paintball Equipment
Forum Name: Upgrades and Customizing
Forum Description: Trick it out!
URL: http://www.tippmannsports.com/forum/wwf77a/forum_posts.asp?TID=175792
Printed Date: 16 August 2026 at 2:00am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: converting to act

Posted By: jakeb_2011
Subject: converting to act
Date Posted: 27 May 2008 at 9:33pm

I have an old tippmann 98 recently bought an i love it except for the fact there is no a.c.t or really no upgrades except for a new barrel. I dont have the double trigger or anything but it cant shoot as fast as i can not even close. when im trying to unload on someone it just chops.

So what i want to know is first of all if there is a person or place that sells these a.c.t. rear bolts and springs.

If not is there another option thats semi-cheap that will increase my rounds per secound

Replies:

Posted By: thejudge
Date Posted: 27 May 2008 at 9:43pm

well you can get them from tippmanparts.com i believe of you can put a cyclone on it and you wont have nearly as many chops if any.

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Posted By: Mack
Date Posted: 27 May 2008 at 11:19pm

The ACT system is not available as an upgrade for non-ACT markers. The body shells for ACT markers differ from the non-ACT ones in order to accommodate the ACT parts.
You may be able to put a Cyclone on your 98; or you may not. If it is one of the original Model 98s with the "gills" at the front, it will not readily* accept a cyclone.

The best way to tell if the marker can accept a cyclone upgrade is to look at the right side of the marker. Look at the safety, the body screw/nut by the trigger guard and the rearmost powertube/valve screw.
If there is a small cylinder of plastic protruding through the marker shell, then the Cyclone Feed (or Response Trigger) can be easily added.

You didn't specify what type of hopper you have. If you are using a non-powered gravity fed hopper that will contribute significantly to having chops. Even a very basic hopper would help significantly with this.

*It can still be done, it's just more challenging.

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Posted By: d4rkmonkey
Date Posted: 29 May 2008 at 1:02am

theres an ACT mod on model98.org which involves cutting the front bolt and putting a spring in there somewhere... I don't have a link to this mod right now, just search around model98.org.

Posted By: tippmannfreak
Date Posted: 29 May 2008 at 1:08am

act would be great, but for us older 98 owners, i would suggest a better hopper. i would guess you're using a gravity fed hopper or a really slow revy. centerfeed your marker and get a halo. i would be surprised if your marker couldn't keep up then.

Posted By: VMBiaggio
Date Posted: 29 May 2008 at 6:52pm

It would be cheaper to buy a new ACT 98 then get the ACT upgrade. I would recomed getting a cyclone though it reduces chopping a lot.

Posted By: Archon
Date Posted: 30 May 2008 at 11:06am

Hey, I juat picked up a spyder mr-1 as a second marker for my wife (i shoot an A-5), any chance it can be modded to use Tippmann's act. It was chopping something fierce.

Posted By: Mack
Date Posted: 30 May 2008 at 3:17pm

^^^ No.

What type of hopper is on it? If you have access to a force-fed hopper, try that and see if it still chops. (Spyders's used to be renowned for having enough blow back coming past the bolt to interfere with chambering sufficiently to cause chops. I don't know if this still applies or not, but testing with a different hopper may help if it does.)

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