2 Customer Reviews
by Mario E. on 03/26/2015
"Great product. Easy to install and notice a HUGE improvement in accuracy and a nice boost in fps on my m4. It now shoots better than my sniper rifle. Highly recommend this as an easy/inexpensive upgrade.
by Andrew P. on 05/26/2011
"A must buy right here, its insane. I have a mp5 which had a 229 mm barrel in it, I put this in my gun and wow what a difference. I went from 80-100 feet with a 2 to 3 foot spread, to 100-110 foot with only a foot to maybe 2 foot spread. Its awesome