Originally Posted by
Dano5326
The LMT "lobster tail" extractors do not appear to increase spring tension, nor have I heard of anyone suggest they do.
I noted the decreased tension of the extractor (in comparision to the current SOCOM 5coil copper washed extractor spring, black insert, and Oring) on the LMT bolt, as it may be of concern if tried on the usual 10-11.5" uppers with their increased speed of recipication, esp with cans.
I really would've liked to see a lobster tail that used two standard AR extractor springs (captured) perhaps a wee deeper well to minimize spring compression.
Given the chance I would like to play around with this bolt, in a standard carrier, on a shorty.
I have a LMT enhanced F/A bolt group that was milled down similar to the Smith Ent "lightweight" chrome ones... just playing with ways modify the recoil impulse. It's really pretty, hah.
On an actual m4, with milspec ammo, the enhanced BCG appears to be a big plus. Two guys told me they had 35K and 50K+ on their BCG w/o issue.