Angled Picatinny (1.5 degrees) various lengths for long shots or low muzzle velocity

Update: 8 slot rail is now filled.

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Scope can't depress far enough? Use 1.5 degree down angled rail.

My Zius BK-1S throws darts at 50 m/s (165 fps). At 10 meter range (33 feet) I experienced 20 cm (8 in) freefall drop, which is 67 MOA of angle on the scope. My scope bottomed out at 45 MOA … grr!

Sized for M4x30 SHCS with M4 nuts (DIN 912).

The rail is specced from STANAG 4694 docs and the clamp was designed with 0.2mm offset around each face. Army and airsoft parts should fit, not all nerf stuff will.

Step file of subassemblies included if you want to make your own rails. 

The ends of the rail are exactly flat so you can print it vertically if you wish.