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Matrix M130 235% Irregular Pitch Airsoft AEG Upgrade Spring (430~520 FPS)

7 Customer Reviews

by Donovan E. on 10/29/2014
"Matrix AEG springs are probably the best I have used. Perfect length for installation and paint don't chip. This is the 5th m130 i have used from Matrix for all my AEG.
by Josh W. on 10/29/2013
"Installed this into my kwa km4-RIS along with a raptor's full metal teeth piston. The gun now shoots at 470fps with .20's. Be aware that shooting anyone within 50 feet at this high of a power is extremely painful. I made my squad captain bleed pretty bad through under armor at that range. Overall though this is a spring well worth the ten dollars.
by Chris G. on 09/05/2013
"I put this in my P90 along with a 6.03 suppressor length barrel. Shoots long and hard!
by Moises H. on 12/31/2012
"I installed this springs on several weapons, M14, M4, G36, AK, M5, etc without problems, this spring is strong and after some use just the lost is minimal; my last two updates are in a KWA SR12 is shooting 490 fps, at rof 870 rpm, and a KWA SR10 495 fps at 875 rpm using a regular 9.6 batteries, with a lipo they are crazy hot.

- Strong
- very sturdy material (black finish)
- minimal lost of fps after "break time"
- After 5000 rounds, still in good shape and not deformation
- Diference between shots is +/- 5 fps
- Not at all
by Dave E. on 11/25/2012
"This will work on all Echo1 AEG, pretty much all the AEG out there other than the PSG-1 (where its a different dimension).

Very good power, gave 450 fps on my G&G M16!
by John R C. on 06/03/2010
"This is a good spring if you are looking for a DMR role. After installing it in my gearbox, the gun ranged between 461-465; very consistent. Upgrading from the stock m90 spring has given me the range I need. Coupled with my barrel replacement, the gun can shoot a man sized target from 200ft. I've used this spring in four games now and it is still shooting 461-465 fps.
by james d. on 03/02/2010
"As expected. I have used 3 different types of Matrix springs so far and they have never failed me
I have used Systema and Guarder. This spring is easier to install and FPS depreciation is less.

Easy to install (PDI length and design)
Made with sturdier material
Doesn't rust
Not overpriced like other brands