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Spring overhaul
2/17/2011 11:51:21 AM
I think TonyK mentioned he replaces the following springs in his M16 after every 5k rounds.
Trigger
Hammer
Disconnector
Bolt extractor
Buffer
Is there any I am missing? Also wondering if someone sells kits or will I just have to order these seperate and use zip lock bags and make a few with all the springs.
Trigger
Hammer
Disconnector
Bolt extractor
Buffer
Is there any I am missing? Also wondering if someone sells kits or will I just have to order these seperate and use zip lock bags and make a few with all the springs.
2/17/2011 12:30:12 PM
To keep small parts like that organized, I bought a little (and I mean little) fly fishing tackle box. Walmart sells the kind I'm talking about. I believe it's Plano brand.
It has dividers that you set up on your own that are the perfect size for springs, screws, nuts, bolts, etc.
When I get a new part it generally comes in a bag with a sticker label. I take the sticker label off, put it on the bottom of the divided section that I'm using, and then dump the part in there.
It has dividers that you set up on your own that are the perfect size for springs, screws, nuts, bolts, etc.
When I get a new part it generally comes in a bag with a sticker label. I take the sticker label off, put it on the bottom of the divided section that I'm using, and then dump the part in there.
2/17/2011 3:26:18 PM
Brownells & Midway sell spring kits but they come with springs you dont need and dont come with springs you do need.
Just buy the individually.
I use a Tubbs flat wire spring and change it every 10 to 15K other than that as Tony said.
Just buy the individually.
I use a Tubbs flat wire spring and change it every 10 to 15K other than that as Tony said.
2/17/2011 4:33:55 PM
FWIW, if you are only shooting 5.56 and are primarily using either 20" or 14.5" uppers, you prolly can run 10k rounds on a set of springs ... but 9mm or 7.62x39 uppers, or 10-11" etc uppers with their shorter dwell time, are harder on the springs.
And yes, there probably are RRs with way more rounds down the tube than that yet are still on their original springs. But since healthy springs minimize wear, and transferable receivers ain't cheap, I consider changing them regularly to be cheap insurance.
And yes, there probably are RRs with way more rounds down the tube than that yet are still on their original springs. But since healthy springs minimize wear, and transferable receivers ain't cheap, I consider changing them regularly to be cheap insurance.
2/18/2011 12:41:18 PM
Well I current am using a 14.5" barrel for .223/5.56 and I know I'm past the 5k round count as I don't have any more 55gr bullets as my reload inventory is now only 62gr. Also probably have about 3k in 22LR that doesn't effect the buffer spring but does the hammer and trigger. I'm switching over to a 10.3" barrel soon though and I want to start fresh :-)
So I ended up ordering 3 each of Disconnector, Trigger, and Hammer springs all colt, and 3 BCM Extractor Spring Uprade Kit and 1 carbine buffer spring, i already have 2.
So I ended up ordering 3 each of Disconnector, Trigger, and Hammer springs all colt, and 3 BCM Extractor Spring Uprade Kit and 1 carbine buffer spring, i already have 2.
