PRI Carbine Length SPR rail for Delta Forearms

Gen III Delta Forearm SPR Straight Top Rail for Carbine length tubes.  Rails are machine to 1913 Picitinny standard. PRi Carbine SPR top rail for the Carbine length Delta forearm.  The Carbine SPR top rail is constructed of hard coated black anodized aluminum.  The rail attaches to the receiver with 3 cross bolts and there are 3 screws and 1 bar nut that attaches directly to the Delta forearm.  The overall length of the rail is 11 3/4" and has an elevation of .430.  The rail comes with all the hardware to mount the rail directly to the forearm.  Rail weights .52 lbs.