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Installing the Sight on the Firearm with Hi-Rise Block (AR models only)
The AR731306/AR731306C versions of the TRS-25 are supplied with a "Hi-
Rise" mounting block that can be used to position the sight at the correct
height for optimum performance on an AR-15 style rie with a at top
receiver.
In order to use the riser block, rst install the sight onto the block by following
steps 1-4 in the previous section ("Installing the sight on a Picatinny/Weaver
Rail"). Once the sight is installed on the Hi-Rise block, the entire assembly can
be mounted on the weapon by following these steps:
1. Loosen the mounting screw so that the clamp will t over the tapered
side of the rearm’s Picatinny or Weaver rail.
2. Insure that the tapered clamp on the riser is oriented with the
chamfered (beveled) end of the clamp at the top (Fig. 1).
3. Ensure that the riser’s cross screw with nut is tightened to clamp it
rmly to the weapon’s rail (Fig. 2). Turn the large nut on the riser block
¼ to ½ turn with a coin, screwdriver or ½” wrench. WARNING! Do not
over tighten.
4. Complete zeroing according to the "Zeroing" section on page 6.
Fig. 1
Fig. 2