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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.

Pros:
- 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
Cons:
- 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.

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

Con:
None