Thread: G&G M4 Blowback
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Old April 7th, 2009, 23:41   #25
Scopedog's Avatar
Join Date: Feb 2007
Location: Toronto, ON
It uses the same pneumatic system for blowback that the Top Tech version uses, but it's the plastic receiver version marketed under the basic G&G line of products. The Top Tech version is all metal, the version being sold by Capital is the all plastic version. The lower cost plastic blowback line from G&G was introduced shortly after the Top Tech versions hit.
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