FS: Used Mid-length rail. 175.00 shipped PP+fees accepted. price is OBO
http://www.samson-mfg.com/ar-15_html/product/STAR-M.html
Specifications:
Free Float For Accuracy
6061 Aluminum
Clamps To Barrel Nut
Clamped To Prevent Barrel Nut Rotation
M203 Ready
No Need To Remove FSB
Forms Continuous Top Rail
All Rails 1913 Mil-Spec
Hard Coat Anodized
Weight:13.5 oz.