It accomplishes the same thing as a standard Crane O-Ring, it's just supposed to do it a little better. If you look at where it's going and compare it to the standard O-Ring, you can see how it might have some kind of advantage, especially in SBRs where ejection issues are supposedly more common.
It sounds good in theory and my 10.5" LMT has been flawless with it. Besides, after you've got $2,000+ tied up in a quality rifle & optics, are you really going to start splitting hairs on whether to drop $2 or $10?
Last edited by MisterWilson; 12-07-08 at 20:19.
The Revolution will not be televised.
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