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7/5/2007 10:24:51 PM EDT
What are the essential back up components? Extra Firing pin, springs etc...?
7/6/2007 3:18:48 AM EDT
[#1]
Extractor and spring, firing pin go out in time, can' t think of anything else right now off the top of my head.
7/6/2007 3:46:57 PM EDT
[#2]
bump
7/6/2007 5:00:52 PM EDT
[#3]
At minimum I keep a complete bolt.  
7/7/2007 5:12:07 AM EDT
[#4]
The only thing I've ever had break on me was the cotter pin (firing pin retainer).

However, I keep lots of spare parts for everything I own.

Parts are gooooood.
7/7/2007 8:00:31 AM EDT
[#5]
firing pin, firing pin retainer, and thats about it for me. I also keep a few spare front sight posts because I can not stand a bent up or dinged front sight post. I started doing that in the Army because all the M16's had bad front sights on them. Never could get the armorer to replace them either.
7/7/2007 10:33:43 AM EDT
[#6]
What DM1975 said is a good idea if your in a pinch, keep a whole bolt assy. I have broken extractors and gas rings. Also oddly enough I have worn out a firing pin. A broken extractor pin can make your day go bad real quick too.
7/20/2007 6:04:11 PM EDT
[#7]
heres what I keep for my 4 rifles and growing

bolt cam pins
firing pins
firing pin retaining pin
gas rings
hammer springs
take down pins detents and springs
saftey
saftey detent
ejector w/ spring and spring pins
buttstock screws
front sight posts and rear sight apretures
gastube
bolt carrier key and screws
recoil springs
hammer/ trigger pins
extractors
dust cover spring and lots of "c" clips
bolt catch
spring pins for every part that is retained by one

I've worked on these rifles a lot and have found that these parts either wear out or are lost easily or can break during a unlucky fall or something.
7/20/2007 6:10:25 PM EDT
[#8]
I'm not too worried about something breaking in the field.  Even though I use them at the range, I don't think I need to worry about a personal AR wearing out.  Having said that, I keep spares of all the springs and pins since I often lose them when cleaning or just fooling around changing configurations and stuff.
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