Reptilia AUS Mount, 30 mm

¥52,200 JPY

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Here is a top-tier single-piece cantilever scope mount for your rifle! The Reptilia AUS Mount is especially suited for AR-type rifles, where the mount attaches to the upper receiver's fixed Picatinny rail – cantilevered forward to allow for your eye relief preference. Read full description

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Out of stock – 90% of orders are shipped during the next business day.

Technical details and instructions

If installing a scope mount is new to you, here are the instructions. For installation, it’s also good to have some sort of aid to keep the rifle in place, such as a bench vise and for AR rifles, a device like the Magpul BEV Block.

Tools Required

T15 Torx tool
T25 Torx tool or a large flathead screwdriver (we recommend a Torx tool)(The manufacturer's instructions mention a 5/32-inch hex key, but that is incorrect)
(The manufacturer's instructions mention a 5/32-inch hex key, but that is incorrect)
Recommended: Torque wrench for small torques (e.g., 0-70 in-lbs / 0-8 Nm)

Mount Installation

You'll need the T25 Torx tool and torque wrench for this step
Place the mount in the position on the Picatinny rail that's suitable for your eye relief
Typically on AR rifles, the ocular lens of the scope should be quite near the rear edge of the upper receiver
Both clamps of the scope mount should attach to the upper receiver's fixed Picatinny rail, not the handguard rail
Typically on AR rifles, the ocular lens of the scope should be quite near the rear edge of the upper receiver
Both clamps of the scope mount should attach to the upper receiver's fixed Picatinny rail, not the handguard rail
Press the mount downward and forward, then lightly tighten the front clamp followed by the rear
Finally, torque the front clamp to 45 in-lbs / 5.1 Nm and then the rear

Scope Ring Installation

You'll need the T15 Torx tool and torque wrench for this step
Remove both scope top ring caps – don't lose the screwsPerform this step somewhere other than above a drain, full trash can, or similar (we have been there)
Perform this step somewhere other than above a drain, full trash can, or similar (we have been there)
Place the scope in the mount in a preferred position and reinstall the ring caps, then lightly tighten the screws so the scope can still move in the mount
Position the scope for proper eye relief without any sideways cant
At this point, it's a good idea to ensure the scope is actually horizontally level – for proper scope adjustments and especially if you plan to shoot at longer distances, e.g., with a ballistic reticle
There are several methods for checking scope cant, which may require aids such as bubble levels, a flashlight, string, etc. – you can also research this topic online with a suitable search phrase like "how to level a scope"
One method is to draw a straight line on a target (or such) with a bubble level, then align the rifle's receiver straight using a small bubble level, and finally align the scope's reticle parallel to the line on the target
At this point, it's a good idea to ensure the scope is actually horizontally level – for proper scope adjustments and especially if you plan to shoot at longer distances, e.g., with a ballistic reticle
There are several methods for checking scope cant, which may require aids such as bubble levels, a flashlight, string, etc. – you can also research this topic online with a suitable search phrase like "how to level a scope"
One method is to draw a straight line on a target (or such) with a bubble level, then align the rifle's receiver straight using a small bubble level, and finally align the scope's reticle parallel to the line on the target
When the scope is properly positioned, lightly tighten the scope ring screws in an X-pattern (e.g., front-left, rear-right, rear-left, front-right)
Finally, torque the screws in the same X-pattern to 15 in-lbs / 1.7 Nm

Description

Here is a top-tier single-piece cantilever scope mount for your rifle! The Reptilia AUS Mount is especially suited for AR-type rifles, where the mount attaches to the upper receiver's fixed Picatinny rail – cantilevered forward to allow for your eye relief preference.

Very light
Sturdy construction
Compatible with accessories

This mount fits a 30-millimeter scope tube. There are two scope sight heights to accommodate your preference: 39 mm / 1.54" and 43 mm / 1.7" from the center of the bore. It comes in two colors: black and FDE.

Features

The Reptilia AUS Mount attaches to the Picatinny rail with spring-loaded steel clamps. You can tighten the screws with either a T25 Torx tool or a flat blade screwdriver (we recommend a Torx tool) – remember to press the mount downward and forward while tightening to keep it firmly in place despite recoil. The scope rings have T15 Torx screws. The mount is machined from a single piece of 7075-T6 aluminum and finished with MIL-STD Type III Class 2 hard anodized coating.

Machined from 7075-T6 aluminum
MIL-STD Type III Class 2 hardcoat anodized
Weighs 158 g / 5.2 oz.
Fits scopes with a 30 mm tube
Two scope sight heights
Fits scopes with up to 77 mm objective over a flat-top Picatinny rail
Made in the USA

If you need an auxiliary red dot sight on your scope mount, the Reptilia AUS Mount is compatible with all 30-millimeter Reptilia ROF mounts, such as the ROF-90 and ROF-45.

Like all Reptilia products, the AUS Mount is made in the USA and comes with a lifetime warranty against defects in workmanship or material.

Recommended Torque Specs

What's torque, you ask? In firearm installations, it's advisable to follow the torque values provided by the manufacturers – that is, how tight the screws should be fastened. So, get yourself a torque wrench with a range of about 0-70 in-lbs / 0-8 Nm! As engraved on the scope mount, tighten the mounting clamp screws to 45 in-lbs / 5.1 Nm and the scope ring screws to 15 in-lbs / 1.7 Nm.

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