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AR15.COM
11/30/2008 8:15:07 PM EDT
Due to another thread, this struck my curiosity button. What lb recoil spring are you guys running on your colts? I switched to a 17lb wilson but i ve heard from a few people stock 16lb will be more reliable. Ive ran 16 and 17 lb and both worked fine, should i go back to 16lb?