June 17th, 2007, 06:10
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#15
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GBB Whisperer
Join Date: Jun 2002
Location: Toronto
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Two things about M4/M16 series:
Don't screw the pistol grip or buffer tube on *too* tight. It will pull the gearbox back too much and cause weird problems such as:
- Feeding problems
- *PISTON LOCKUPS*
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