Reviews: Systema M140 Irregular-Pitch Airsoft AEG Power-Up Spring (450~500 FPS)


3 Customer Reviews
Model: SPR-STMA-M140

Displaying 1 to 3 (of 3 reviews)

by Julio L. on 2015-05-27 14:35:20
"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..
by David H. on 2008-11-24 19:31:20
"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
by jesse a. on 2008-09-29 13:09:43
"its alright probably not 450- 500 fps because it looks alot slower when you fire it maybe 390 fps over all pretty good if you got the matrix m14 you need this

Displaying 1 to 3 (of 3 reviews)