
Originally Posted by
justin_247
Good stuff. Thanks for posting this.
Of note, there's a lot more in that patent application than the modified carrier.
- uses a gas tube that has a "radiator" portion (appears to just be thicker for about half the length and threaded)
- a self-regulating gas block of some sort - uses a metering plug
- new gas rings that have a bulge in them to ensure a tighter seal
- larger lugs on the bolt assembly
- a longer carrier key
- a different bolt cam design that allows the carrier to move back 1/3" more
- longer barrel extension allowing for larger lugs
- wider feed ramps on the extension
- the gas port on the barrel is about 3/4" farther down the barrel
- a shorter buffer assembly
There is a lot more stuff in there...
Sounds like a KAC SR15 had a one night stand with an LMT enhanced carrier. 
In all seriousness, it's very interesting. Delaying unlocking, slowing the overall operating cycle, reducing gas system pressure, etc are all things that have proven to extend parts life and to help guns be more controllable.
Last edited by BufordTJustice; 11-30-14 at 09:43.
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