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Posted: 1/6/2013 3:48:19 AM EDT
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I recently purchased my first Colt carbine, 6920 and was reading about heavier buffer weights and springs. When and why should they be replaced?
Any recommendations or should I leave well enough alone? Thanks... Melt |
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Quoted: I recently purchased my first Colt carbine, 6920 and was reading about heavier buffer weights and springs. When and why should they be replaced? Any recommendations or should I leave well enough alone? Thanks... Melt dont fuck with it!! Most guys on this board replaced with heavier buffers/springs becuase they think it does something for them, it really doesn't besides waste money. More often than not they get them and then start whining about not being able to shoot wolf/tula. If you have a SBR not running, a can or f/a w/ both bounce, then a buffer might fix a symptom of another problem. |
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Another if it ain't broke don't fix it.
Some carbines are over gassed in which case you'll want to fix. I had one that was ejecting strait forward after hitting the brass deflector. I added a auto carrier and heavier buffer to slow it down. Now ejects to the side at about 3 o'clock. |
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Generally M4's are over gassed. By adding a "H" buffer and a full auto bolt carrier, it will slow things down a bit. It also takes some of the recoil out of the gun.
The Good news is Colt makes their guns to Mil spec. So these things should already be in your gun. 
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Quoted:
I recently purchased my first Colt carbine, 6920 and was reading about heavier buffer weights and springs. When and why should they be replaced? Any recommendations or should I leave well enough alone? Thanks... Melt They should be replaced right after you install K&S pins and a Battle Comp. You must get your priorities in the correct order All kidding aside .. if it ain't broke, don't fix it. |
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Springs wear with each cycle.
You replace mil-spec springs when they reach the minimum length. Service life varies, but is usually at least several thousand cycles. Specialty springs may be different, Tubb’s CS flatwire springs are advertized for 500,000 cycles. Buffers generally last a very long time unless they get damaged or crack at the roll pin hole. Since your weapon probably came with a heavy buffer unless you are having a problem I would recommend leaving it until your understanding of the platform is greater. |
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