this just up on the akfiles
TAPCO, Inc. G2 TRIGGER GROUP PRODUCT SAFETY WARNING
We have determined that during the period between October 1, 2008 and December 31, 2008, G2 trigger groups may have contained disconnectors that have a disconnector spring hole that is too deep. Use of these could result in a rifle malfunction and should be checked immediately.
The correct depth of the hole is between .383 to .420. Any disconnector with a depth of .421 or more should be returned for exchange.
NOTE: The spring hole has a conical point and the measurement should be made from the shoulder where the spring will rest, not the point of the hole.
Returns should be sent to:
TAPCO G2 Return/Exchange
3615 Kennesaw N. Ind. Pkwy.
Kennesaw, GA 30144
Or, contact your Sales Account Manager for additional information
Thank you,
TAPCO, Inc.
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__________________
TAPCO, Inc. G2 TRIGGER GROUP PRODUCT SAFETY WARNING
We have determined that during the period between October 1, 2008 and December 31, 2008, G2 trigger groups may have contained disconnectors that have a disconnector spring hole that is too deep. Use of these could result in a rifle malfunction and should be checked immediately.
The correct depth of the hole is between .383 to .420. Any disconnector with a depth of .421 or more should be returned for exchange.
NOTE: The spring hole has a conical point and the measurement should be made from the shoulder where the spring will rest, not the point of the hole.
Returns should be sent to:
TAPCO G2 Return/Exchange
3615 Kennesaw N. Ind. Pkwy.
Kennesaw, GA 30144
Or, contact your Sales Account Manager for additional information
Thank you,
TAPCO, Inc.
--------------------------------------------------------------------------------
__________________

My point is that a machining operation like that shouldn't have that much variance, there are some sloppy manufacturing processes going on if you're getting that type of tolerance.
A vast majority of US manufacturing QC sucks. To get the precision that we want on our CNC'ed parts we have to use aerospace shops and even then we have to do some searching
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