ID: 26261 (SPR-STMA-M140)
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"I got 526 fps with my G3 using that spring. Very satisfied.
"I got this and install it on my biodynamic m4 .. awesome !! Shoots 493-503 .. real good..
After three games it shoots 470-480. . I hope it stays there..
"ya it may look slow but you need to crono it before you dis it its systema you probly didnt install it right it dos do 450-500 475 is the middel ground that most people get
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