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AR15.COM
1/31/2005 3:18:34 PM EDT
why is it labeled for training use only??  If SHTF is it no good?  Should I toss all of my ss109?
1/31/2005 3:21:01 PM EDT
[#1]
If it's the UK stuff, it's because it's underloaded to function in the SA80.

Range use only.  Don't rely on it.
1/31/2005 3:21:55 PM EDT
[#2]
ss109 hasn't gone through all the standards that the .gov uses to qualify ammunition. IIRC our stuff is ss109, plus additional standards and specs. So maybe if the .gov bought some, its only used for training and they keep the stuff that has been through all the standard testing for the actual fighting men and women.

ETA:

From the ammo-oracle

Q. What is SS-109?  Is it the same as M855?

SS-109 is Fabrique Nationale's (FN's) name for their 61.5 grain bullet with the steel penetrator in the nose and what they call rounds loaded with this bullet.  (FN calls M193-type ammo "SS-92.")  The US military's M855 round is loaded with the SS-109 bullet, though the US military has additional specifications that ammo must meet before it can be called M855.  So, while all M855 is loaded with SS-109 bullets, all "SS-109 ammo" will not meet the M855 specs.  For example, the British purposely underloaded some lots of their ammo in an effort to get their L85A1 (SA80) rifles to cycle properly.  The ammo is still loaded with SS-109 bullets and labeled as SS-109, but it is nowhere near the M855 velocity specifications.
1/31/2005 3:25:07 PM EDT
[#3]
Is this ammo Lake City XM855? Saying SS109 isn't very descriptive, as it could be from anywhere.

If it's Lake City/Federal ammo and has this wording on it, it's basically stuff that isn't first rate. I wouldn't rely on it for life and death type situations.
1/31/2005 3:25:11 PM EDT
[#4]
Ammunition Forum

Should find all the info you need in there.  The PD stuff is the "for training use only."

XM855PD