These guys are in Florida.
They have the absolute best prices on many items. I just picked up an EOTech 552 (AA batteries, Night Vision compatible) and 1,000 rounds of M855 62 Grain "Green Tips" for 528.99 SHIPPED!
Before you buy optics, ammo, boots, or camelbak stuff, check them out!
http://www.miragetechnologies.net
Oh I hope,
I hope that you did NOT buy the XM855
PD crap! That stuff has been shown to be downright DANGEROUS for the shooter who is unaware of what was purchased. The Lake City "PD" designated ammo is "Grade 3" factory ammo and you will need to hand inspect EVERY round before you shoot it. Grade 1 ammo is what LC gives to the military and Grade 2 ammo is the stuff for civilians. Ammo that has more serious problems, such as severe dents, bent rounds, split necks, and so on, is "Grade 3" (or worse). Federal is selling this as XM193PD and XM855PD, and packs it loose in 500 or 1000 round boxes. (For those who haven't been around long, loose-packed ammo is almost always Grade 3 or lower quality, no matter who you buy it from. If it was higher quality, it would have been boxed up and sold at full price!)
It is important to understand that batches of Grade 2 ammo may be made up of a mix of Grade 1 and Grade 2, and that Grade 3 ammo may have both Grade 1 and Grade 2 ammo mixed in. The grade is given based on the worst ammo in the lot.
If you did purchase "PD" ammo, make sure you hand-sort it ALL of it first, and cull out any bad rounds. Also, be prepared for a squib load or any other unusual behavior, and make sure you know what to do when and if something occurs.
Finally, do NOT use the PD ammo for anything "important", and especially not for duty or defensive use. This is bargain ammo that will give performance and reliability in proportion to its selling price.