jwalter Posted January 2, 2017 Share Posted January 2, 2017 I'm working on aquiring parts to assemble a 16" upper for my dedicated Glock based lower. What bolt does everyone recommend? How is the reliability of said bolt? Link to comment
mscott Posted January 2, 2017 Share Posted January 2, 2017 I have a JP, a Kaw Valley from Joe Bob's, and a Spinta bolt with no troubles from any of them. Link to comment
IntenseImage Posted January 2, 2017 Share Posted January 2, 2017 Not a fan of the JP for PCC ... Really wish it was nitride not phosphate. The KVP and Spinta are basically the same and Spinta has blems on sale which may help that decision Link to comment
Aircooled6racer Posted January 2, 2017 Share Posted January 2, 2017 Hello: I have a Matrix and a KVP so far and they both work great. They look the same so I think there is just one maker making the bolts for a couple of companies. My JP has not arrived yet so I can't say anything about it. I wish they would plate the bolts like they do with the AR15 ones. Thanks, Eric Link to comment
blaster113 Posted January 10, 2017 Share Posted January 10, 2017 running a CMMG bolt. So far its been flawless Link to comment
jwalter Posted January 10, 2017 Author Share Posted January 10, 2017 Sounds good. Thanks guys Link to comment
mksm2016 Posted January 10, 2017 Share Posted January 10, 2017 Are there any nitride BCG for AR9 out in the market currently? Link to comment
Flatland Shooter Posted January 10, 2017 Share Posted January 10, 2017 (edited) Spinta 9mm bolt is nitride coated. http://www.spintaprecision.com/9mm-nitride-bolt-carrier-group-sale/ They also have blems for $20 less. Edited January 10, 2017 by Flatland Shooter Link to comment
ChuckS Posted January 10, 2017 Share Posted January 10, 2017 4 minutes ago, Flatland Shooter said: Slickguns.com advertises the Spinta 9mm bolt as nitride coated. https://www.slickguns.com/product/spinta-9mm-ar9-bolt-blem-109ship So does Spinta and it looks like they have stock on the blems although the non-blems are on sale also http://www.spintaprecision.com/blem-9mm-nitride-bolt-carrier-group/ http://www.spintaprecision.com/9mm-nitride-bolt-carrier-group-sale/ Link to comment
wgj3 Posted January 11, 2017 Share Posted January 11, 2017 Another vote for the Spinta option. I used one of the blems in my build and its been great. Link to comment
RigPig Posted January 11, 2017 Share Posted January 11, 2017 I bought a KVP initially to save some dough, but returned it after looking it over. Machining was very rough, the rails had sharp burrs and the bolt face had tooling chatter pits in it. The "QPQ" was also horrible on it. Went with a known quality in JP and DSG has a sale ending tomorrow for 15% off all in-stock inventory, making it $206 shipped to my door. Ordered yesterday at noon and on the truck hours later. https://dsgarms.com/jpbc-9mma Link to comment
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