Upgrades and Customizing - Sierra one ACT

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Sierra one 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=190471
Printed Date: 13 May 2025 at 4:53pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: Sierra one ACT

Posted By: Emperor
Subject: Sierra one ACT
Date Posted: 07 August 2012 at 8:04pm

I installed the ACT upgrade kit on my marker today, or rather tried to install it. Now however when i cock my gun it does not stay cocked. I am pretty sure I did something wrong as I am new to this. Any help would be appreciated.

Replies:

Posted By: TippmannEmployee1
Date Posted: 08 August 2012 at 11:16am

I would check to see if the sear spring is in place. Sometimes they pop out of place when you put them back together. You can check this by flipping the marker upside down & try to cock it. This will allow the sear to stick up & catch the bolt. If it only cocks when it's upside down then the spring is missing.