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AK-Builder Rail Alignment Fixture

CODE:

C3-61

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$29⁹⁵

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Angled view of AK-Builder steel Rail Alignment Fixture showing front clamp and screw.

Angled view of AK-Builder steel rail alignment fixture with dark finish and clamping arm.

AK-Builder black oxide steel rail alignment fixture clamping lower bolt guide rails in stamped AK receiver.

AK-Builder Rail Alignment Fixture, dark finished steel, clamping raw lower guide rails to trunnion.

AK-Builder Rail Alignment Fixture, black oxide steel, installed in AK receiver, clamping lower bolt guide rail.

Close-up of AK-Builder fixture black oxide clamp block and in the white lower bolt guide rails.

AK-Builder Rail Alignment Fixture within an in-the-white AK receiver, front secured by C-clamp.

AK-Builder Rail Alignment Fixture, hex key tightening front rail clamp screw.

AK-Builder black oxide steel rail alignment fixture installed in unfinished stamped AK receiver, with leveling tool.

AK-Builder Rail Alignment Fixture inserted into an in-the-white stamped AK receiver.

Description
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AK-Builder Rail Alignment Fixture

This fixture is designed to accurately align and hold the lower bolt guide rails during installation in stamped AK receivers. It positions the rails evenly with the trunnion to ensure proper spacing and alignment before welding.

The main body slides into the receiver and bolts to both the receiver and trunnion, creating a solid reference point. The rails are secured at the front using the built-in clamping arm and screw, which keeps them tight against the trunnion face for consistent results.

Features

Designed for installing lower bolt guide rails in stamped AK receivers
Bolts to receiver and trunnion for solid, repeatable alignment
Front clamp and screw hold rails evenly and securely
Ensures rails are level with the top rail before welding
Steel construction for durability and long shop life

Usage Instructions

Insert the fixture body into the receiver and bolt it to the trunnion and receiver.
Clamp the guide rails using the front screw and arm.
Push the rails fully against the trunnion face.
Level the rear section of each rail with the top rail front-to-back.
Tack-weld the front and rear of each rail, remove the fixture, then finish welding.

Spot Welder Tong

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CODE:

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One Inch Capacity C-Clamp

0.0

CODE:

C5-12

Small C-Clamp for installing the lower rails in your receiver or for clamping the scribe jig to the bent receiver to mark the cutouts of the top rail.

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Two Inch Capacity C-Clamp

0.0

CODE:

C5-13

Two inch C-Clamp for clamping trunnions for test fitting parts to your rifle before final installation.

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