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ASG Ultimate Upgrade CNC Aluminum Cylinder Head - Version 6 (P90 / Thompson)
by carson s. Date Added: December 26, 2012
Put this in my softair thompson M1A1 and it works great! It provides a much, much better air seal compared to the stock piece so my fps has gone up some. I would also recommend pairing this with the asg mushroom piston head because they work great together!

Rating: 5 of 5 Stars! [5 of 5 Stars!]
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