Question on buffers, springs and different stocks.

.223Rem

.223Rem

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Ontario, K-W area.
Sorry if this is a dumb question but I'm new to the AR platform.

I'm buying an AR that comes with a collapsable stock. I have an ACE fixed stock that I want to use instead. The ACE stock didn't come with a buffer tube so I know I need to get an A2 tube but what about the buffer and spring?
I assumed I could just pick up a cheap tube and use the old buffer, but I was told by the gun store (I know what gun store info is worth BTW lol) that it wont work.

He took 2 stocks apart to show me the difference but I wonder if it was just the difference between a carbine buffer and rifle buffer. Being that I dont know much at all about gas systems or buffers (only that the wrong weight buffer can cause issues) I was going to use the one that came with my gun.

What do your guys think? Will any carbine buffer system from a collapsable stock work in a normal A2 stock tube?

Thanks!
 
Will any carbine buffer system from a collapsable stock work in a normal A2 stock tube?
Click to expand...

No. The carbine buffer is shorter than the rifle buffer and is a different weight. The spring is also different.
 
If you already have the rifle length stock, you would need the A2 receiver extension (buffer tube), a rifle buffer, and a rifle spring.
 
Cool, thanks. I thought it depended on the gas system and the amount of pressure working the buffer. (causing the bolt/ buffer to cycle either to fast or to slow).

Best course would seem to just buy a full A2 stock set and use everything but the stock its self.
 
If you were using a rifle upper on a carbine lower, you have more options for buffer weights if you were inclined to tweak it. eg Carbine, H1, H2, H3, 9mm, etc
Being that you have a carbine upper on a rifle lower, you have one buffer weight option (aside from removing/adding the internal weights inside the rifle buffer)

Should still work fine though
 
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