枪拼了一半要搬去nj了。请问这个upper有没有问题?
http://palmettostatearmory.com/p ... harging-handle.html
Barrel length 16"
Hammer Forged Barrel
Machine Gun Steel
5.56 Nato Chamber
1 in 7" twist
Extra-thick Chrome-lined bore and chamber
A2 profile
M4 feedramps
Forged upper
T-marks Magpul MOE Handguards
谢谢
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