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When you say reinforced, are you talking about steel? What kind of critical mass do you need to begin production?
A few things that come to mind:
1) metal nozzle for M4 open bolt (aluminum or steel...anything is better than their brittle plastic)
2) steel bolt carrier for M4 open bolt (with better tolerances than Ratech)
3) steel charging handle for M4
4) steel bolt catch for 'm4 open bolt
5) steel hop up chamber for M4, ak, m14
6) steel bolt carrier for ak series
7) steel buffer retaining pin
Last edited by TPM001; February 27th, 2012 at 16:52..
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