I keep a spare bolt (plus batteries for my RDS and flashlight) in the compartment of my Cav Arms/14.5" BCM middy that is set up for HD duty.
In my range bag, I have a DPMS Field repair kit that includes spare
- Springs (trigger sprin, disconnector spring, hammer spring and ejector spring),
- Extractor spring assembly
- Extractor and extractor pin
- Firing pin and retaining pin