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Page AR-15 » Rimfire and Pistol Calibers
AR Sponsor: bravocompany
Posted: 6/23/2016 4:21:05 PM EDT
I am ready to order a spring for my 9mm build. I am stuck between the JP 308 spring and the Sprinco red spring.

My build is running a 16" barrel, Spinta bolt and a CMMG 9mm buffer. And i will be using quarters in the stock until i get a buffer spacer.

Help me pick the right spring i don't have enough money to do this more than once so i need it to run well.
Link Posted: 6/24/2016 3:11:09 AM EDT
[#1]
my buffer is 9oz and I run a WOLF XP spring in mine. No issues, no matter how fast you pull the trigger :)
Link Posted: 6/27/2016 4:59:19 PM EDT
[#2]
I have the red in mine. 16" spinta bolt, quarters, PSA lower runs flawlessly with all ammo, about 800 rounds with this set up.
Link Posted: 6/27/2016 7:24:25 PM EDT
[#3]
I already went with the JP .308/9mm spring i hope it works
Page AR-15 » Rimfire and Pistol Calibers
AR Sponsor: bravocompany
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