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z Systema 6.04 Tight Bore High Performance Straight Inner Barrel 350mm ( XM/M4A1/SG551).
by William H. Date Added: Monday 15 September, 2008
I've had two guns using these barrels. One was pretty good accuracy, it was a TM AUG with a 509. The second gun is a CA M4 with this barrel, and the accuracy is incredible. I was very much surprised at the accuracy - easily shoots 3-4 inches at 100 feet. 100 feet is the standard distance between US telephone poles, in case you are one of those newbies who comes back talking about your 300 foot shots last match - be aware, to reach 300 ft w/ hopup and .36g BBs you need a gun shooting around 600 fps with .2s.

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