[ARCHIVED THREAD] - Buffer and Spring Assembly Maintenance??

Posted: 12/25/2004 3:40:00 PM EDT

I have both a 20 inch and a carbine 16 inch AR. My question is when and how you know if there is a need to change out the buffer tube spring and or buffer. What parameters of wear and tear are used to determine replacement? I've read that the CAR will require two spring changes per buffer and that the shorter barreled ARs are rougher on these components than a standard 20 incher. But I've never seen anything on guaging the time for such replacements. I would appreciate some facts or references on spring and buffer wear and replacement. Thankshinking.gif

Posted: 12/25/2004 6:51:05 PM EDT

[#1]

in the tm there is a measurment you take of the recoil spring if shorter than what is listed you buy a new one.

Off hand I dont know the length. Nor can I recall if its for all models of the M16 or just the 20 inch a2.

Posted: 12/25/2004 9:09:33 PM EDT

[#2]

Get the USMC tech manual. It shows what wear is acceptable and what is not and needs replacement.
It's only around 4 or 5 dollars. Are you having failures or just want to know when to replace parts? How many rds through your rifle?

Posted: 12/26/2004 3:14:13 AM EDT

[#3]

or, you can download a tm here on ar15 for free.

Posted: 12/26/2004 12:58:52 PM EDT

[#4]

Posted: 12/26/2004 4:17:57 PM EDT

[#5]

Totaal rounds on the 20 inch are about 1000. Much less on the carbine but the buffer damage is more obvious on the carbine. Most rounds are full NATO spec or nearly so. I reload some matching the vel and bullet wts

Posted: 12/26/2004 5:31:01 PM EDT

[#6]

1,000 (edit: 1,00 to 1,000, dont post while drinking) should is no problem.
Usally marks on the Buffer are caused by burrs and shap edges from the carrier. Colts half moon carrier has marked my buffer the worst out of my other 3 ful circle carriers.

[ARCHIVED THREAD] - Buffer and Spring Assembly Maintenance??

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[ARCHIVED THREAD] - Buffer and Spring Assembly Maintenance??

[ARCHIVED THREAD] - Buffer and Spring Assembly Maintenance??