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MFC · 05-21-2013, 01:10 AM

Michael,
Try the 'tape test'. Put a piece of freezer tape on the back of the frame, where the rear toggle hits during full recoil. When the main spring and ammo are "in tune", the tape should have a dent in it. If the tape is smashed and cut through, the ammo is too hot or the main spring is too weak. No dent means weak ammo or the main spring is too strong.
There are other things to consider as the other members have suggested but at least you can see how the toggles are reacting.

05-21-2013, 01:10 AM	#16
MFC User Join Date: Sep 2006 Location: Louisiana Posts: 1,237 Thanks: 183 Thanked 281 Times in 162 Posts	Michael, Try the 'tape test'. Put a piece of freezer tape on the back of the frame, where the rear toggle hits during full recoil. When the main spring and ammo are "in tune", the tape should have a dent in it. If the tape is smashed and cut through, the ammo is too hot or the main spring is too weak. No dent means weak ammo or the main spring is too strong. There are other things to consider as the other members have suggested but at least you can see how the toggles are reacting. __________________ Mike C.