What does "SPR" mean???

[40glock]

What does "SPR" mean??? Sorry, I know someone is bursting to hit me with the link I couldn't find on my own...but that's cool:rolleyes:

[RobG]

Special Purpose Rifle:D

[40glock]

But what defines a "Special Purpose Rifle"? It seems like a Silver colored free-float barrel - about 18" long. At least from what I've seen so far.

[Zak Smith]

http://en.wikipedia.org/wiki/United_States_Navy_Mark_12_Mod_X_Special_Purpose_Rifle

[40glock]

That was a great read. All better...thanks!