HELP - new spring compressed 15mm overnight???

old_and_slow · July 6th, 2011, 07:18

I fitted a systema M130 to my ICS L85 yesterday. (before anyone asks - It's converted to a single shot DMR hence the high spring rates)

Before I fitted it I checked the length of the new spring against the ICS M120 that I took out and they were exactly the same length. Both were 170mm approx.

I fired a few shots on semi only (about 10) to make sure all was well.

Today, I removed the new spring and it is 15mm shorter than it was when new yesterday. It measures at just over 155mm.

Is this normal?

coach · July 6th, 2011, 08:08

Forget spring length, check it against a chrony.

DarkAngel · July 6th, 2011, 11:48

Systema Springs dont seem to retain their shape very well. Ive had 390 fps guns drop to 280 in a matter of weeks.

I recommend switching to Modify Springs, they seem to retain their shape much better.

old_and_slow · July 6th, 2011, 12:18

Yep, Ive just been reading a few topics suggesting you guys are not impressed with Systema.

I don't know if I can get a Modify spring in the UK - need to do a bit of research!

DarkAngel · July 6th, 2011, 12:26

Systema used to be really good when they were manufactured in japan. Now its manufactured in china, and their materials/quality has degraded significantly.

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July 6th, 2011, 07:18	#1
old_and_slow Trader rating Join Date: Jul 2011 Location: Surrey, UK	HELP - new spring compressed 15mm overnight??? I fitted a systema M130 to my ICS L85 yesterday. (before anyone asks - It's converted to a single shot DMR hence the high spring rates) Before I fitted it I checked the length of the new spring against the ICS M120 that I took out and they were exactly the same length. Both were 170mm approx. I fired a few shots on semi only (about 10) to make sure all was well. Today, I removed the new spring and it is 15mm shorter than it was when new yesterday. It measures at just over 155mm. Is this normal?

July 6th, 2011, 11:48	#3
DarkAngel * Age Verifier status suspended * Trader rating Join Date: Jun 2006 Location: Scarborough	Systema Springs dont seem to retain their shape very well. Ive had 390 fps guns drop to 280 in a matter of weeks. I recommend switching to Modify Springs, they seem to retain their shape much better. __________________ Certified Sniper Clinic Instructor and Counter Sniper Sentinel Arms Customs - Specializing In Unique, One of a kind guns

July 6th, 2011, 12:26	#5
DarkAngel * Age Verifier status suspended * Trader rating Join Date: Jun 2006 Location: Scarborough	Systema used to be really good when they were manufactured in japan. Now its manufactured in china, and their materials/quality has degraded significantly. __________________ Certified Sniper Clinic Instructor and Counter Sniper Sentinel Arms Customs - Specializing In Unique, One of a kind guns

July 6th, 2011, 08:08	#2
coach aka coachster Trader rating Join Date: Mar 2008 Location: T dot	Forget spring length, check it against a chrony.

July 6th, 2011, 12:18	#4
old_and_slow Trader rating Join Date: Jul 2011 Location: Surrey, UK	Yep, Ive just been reading a few topics suggesting you guys are not impressed with Systema. I don't know if I can get a Modify spring in the UK - need to do a bit of research!

HELP - new spring compressed 15mm overnight???

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