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AR15.COM
1/21/2009 9:25:29 AM EDT
As the title says...what is the service interval for main recoil spring for 4.25" commanders? (5" is 5k rounds, correct?)
1/21/2009 4:32:53 PM EDT
[#1]
It is recomended in full size guns to change about every 2000 rounds.
1/22/2009 5:32:29 AM EDT
[#2]
5" - @ 3,000-5,000 (I prefer 3,000)

4.25" - @ 2,000-2,500

4" - 1,500

3.5" - 1,000-1500 (definitely prefer 1,000)

3" - 750-1000 (definitely prefer 750)