Adding a 9mm HK USP Ten Round Magazine Baseplate by Jelly.

Pistols/9mm_HK_USP_10_Round_Magazine_Baseplate-Jelly/README.md

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+# 9mm Heckler & Koch USP 10 Round Magazine Baseplate
+
+#### Author
+Jelly
+
+#### Version
+1.0
+
+
+#### Description
+
+This is a 9mm Heckler & Koch USP Magazine Baseplate. It is designed to fit 10 round USP 9mm Magazines. Note: it does not add any capacity.
+
+Succesfully test printed and fired with both designs. Long design for competition use or for comfort for those of us with very large hands. 
+
+Printed with layer height of .3mm and rectilinear supports generated by Slic3r.