Quote:
Originally Posted by KND
Yes, you need to cute down the tube in addition be able to reroute the wire coming through otherwise you can use crane stock for storage the battery. Hope it hlep.
It's nothing shorter in there, it would have the same length as regular M4 that has the tube before modify to fit crane stock. It's just give place to put the lipo battery an can be able to reroute the battery. Go to G&P website, they have a manual how to do it.
KND
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Actually, standard buffer tubes have an internal lip for the buffer tube nut to sit, and this is generally made to accommodate the longer mounting tube of standard AR receivers (CA, G&G, DBoys, etc.). Since the King Arms receiver mounting tube is shorter, this internal lip is situated closer to the receiver end. The shorter screw reflects this, otherwise the standard screw would interfere with the spring guide.
Yes, you are correct in that the overall external length of the buffer tube is the same as a standard one. It's the internal dimensions that are a bit different and would require modification of a typical AR receiver (other than King Arms) in order for a li-po in excess of 11cm to sit entirely within the tube, and not interfere with the stock's ability to collapse entirely.
I plan on going this route in the future and use buffer tube mounted li-po's. But I think it's good to get the information out there that if you are running a standard AR body and wish to use a longer li-po that sits flush with the tube, it will require a destructive modification of your lower receiver. Similar to Guarder's metal slide kits for GBB's. They require you to remove a piece from your original internals in order for it to fit.