SPUHR R-302 MP5 TOP RAIL Installation Guide
Parts Lists
AR-302 Top Rail Body (1 pcs)R-381 Side Clamp (4 pcs)A-0131 M3x16 Screw Tx10 MRT (9 pc
SPUHR R-302 MP5 TOP RAIL
The R-302 Top Rail is a drop-in top rail for the MP5 platform. The rail is made from hard coat anodized aluminum and uses stainless steel side clamps and ZincNickel treated steel screws.
Installation
- Inspect the receiver rails to verify which surfaces are squared and which are angled. Apply a drop of Loctite® 243 (Blue) on the starting threads of each screw
- Looking from the rear of the of the firearm, install two side clamps loosely into the left side of the top rail body using the supplied screws and a Torx 10 key. Ensure that the rounded receiver rail surfaces on the left side of the receiver are matched with the notched edge of the side clamps (with the square edge pointing down):
- Install two side clamps loosely into the right side of the rail body. Ensure that the square receiver rail surfaces on the right side of the receiver are matched with the square edge of the side clamps (with the notched edge pointing down):
- Seat the top rail onto the receiver
- Tighten the four side clamps in an alternating fashion while ensuring that the top rail is level and not canted to either side. Do not Torque past 17 in/lbs (2 Nm)
- Let the Loctite harden before use.
Let the Loctite harden before use.
References
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