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Matrix 120% / M90 Irregular Pitch Airsoft AEG Upgrade Spring (1J / 280~340 FPS)

4 Customer Reviews

by Suzette S. on 02/12/2015
"This spring is very nice. I bought one for my elite force m4 cqc and it bumped up my rate of fire a couple rps but it did reduce my fps a little which I was fine with. Overall a good product!
by Thomas S. on 09/22/2013
"This is exactly what I needed to get my P90 to Indoor FPS levels. I'd say it's shooting around a solid 300-320 right now. Great product!
by John N. on 03/03/2013
"It's a spring, it does what it does.

Good Material
Irregular pitch; longer durability of the gearbox
Perfect for high speed setups
Consistent decompression; 300FPS almost every shot.
by Evan L. on 04/10/2012
"Great spring, installed this in my G&G UMG and it shoots exactly as advertised 330-340FPS. Perfect for CQB. Check out my disassembly video and spring change on the UMG here:

Matrix hasn't let me down yet, I will keep purchasing their products.