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JG OEM Hopup Chamber for SIG 551/552 Series Airsoft AEG Rifle

2 Customer Reviews

by Zeb Z. on 04/29/2017
"I've been using this hop up in my gun for almost five months and it's been great for what I needed.
by Zeb Z. on 03/19/2017
"Not the greatest quality hop up, but it still works pretty good.