Quoted:
New SOT status... trying to figure out what types of firearms out there that are pre May dealer samples... ones that don't require a PD love letter.
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Im not aware of an official list but maybe we can throw one together!
Pretty much any MG that was manufacture outside of the US or was exported from the US and then reimported after 1968 has potential to be a Pre-May Sample.
Pre-Mays currently for sale online:
MG08
MG13
MG34
MG42
MP40
M249
Stoner 63
FAL
FNC
FND
Thompson
Sten
Lanchester MK1
Walther MPK
Uzi
BAR
Any HK manufactured prior to 1986
Pre-Mays Im 99% sure Ive seen in the past:
Sterling
Vickers
M240
M1919
AK47
Reising
Pre-Mays Ive never seen (Sadly ) :
HK Sears
RLL
RDIAS
M16 RR
Websites to watch for good deals on machine guns:
http://www.sturmgewehr.com
http://www.atfmachinegun.com
http://www.autoweapons.com
http://www.impactguns.com
http://www.subguns.com
http://www.onlythebestfirearms.com
http://www.davidspiwak.com
http://dealernfa.com
http://www.gunbroker.com
http://www.nfasales.com
http://mtmmfg.com
http://www.classiiidealers.com/
http://www.westernfirearms.com/
http://www.collectorsfirearms.com/class-iii-full-auto/
http://www.urban-armory.com/
http://www.ar15.com/forums/f_7/118_NFA_Firearms_andamp__Parts.html
Website that tracks machine gun values:
http://www.machinegunpriceguide.com/