Hello, Any thoughts on spares? I want to put together a set of maintenance/repair parts (gas rings, extractor/spring/pin, cam bolt, firing pin, etc.). Any suggestions on makers whose parts will work well in an MP15? Also suggestions of what parts I should include in my cache? Thanks and Cheers, Bill

Great question. I’m new (awaiting delivery) to the M&P 15 crew and look forward to suggestions.

Any decent quality mil-spec parts should work.
I have parts either from Aero precision (economy) or BCM (premium)

If you need redundant lower receiver parts from factory..look here...Smith & Wesson M&P15 AR-15 Complete Lower Receiver Parts Kit

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Probably some of these: site:http://smith-wessonforum.com/smith-wesson-m-p15-rifles spare parts - Google Search

I have a spare bolt in my ARs pistol grip. At the house , just common lower build kits.

Thanks, everyone, for your thoughts. I've got it sorted with Bravo Company bolt, bolt rebuild kit, cam and firing pin. Probably never need them but.....when did Noah build the ark? Cheers, Bill