The centering guide for the QSC Spring Guide Retro Arms keeps the spring perfectly aligned inside the gearbox, preventing misalignments that can cause premature wear or jamming of the mechanism. Made from high-strength C45 steel, it installs in a true “drop-in” fashion with no additional modifications required, offering maximum durability and reliability even under repeated stress.

Technical Specifications & Package Contents

Product Code: RA-6621

Material: C45 steel (12050 steel)

Weight: approx. 0.002 kg

Compatibility: QSC Spring Guide Retro Arms for AK-style models

Package Includes:

1 × Centering guide for QSC Spring Guide

User Benefits

Prevents spring flexing and misalignment, extending gearbox life

Simplifies installation thanks to a precision CNC “drop-in” design

Improves firing cycle consistency by eliminating abnormal noises

Warnings & Usage Information (in compliance with Italian GPSR regulations)

Keep out of reach of children due to small size and ingestion hazard.

Before installation, ensure the gearbox is completely discharged and the spring is not under tension.

Use appropriate tools only.

Confirm the QSC Spring Guide is correctly seated before closing the gearbox.

Apply a light coat of gearbox-specific lubricant; avoid excess that could attract dust.

Do not tamper with or alter the original geometry of the centering guide or the QSC Spring Guide.

After assembly, perform a dry-fire test to verify smooth gearbox cycling and absence of unusual noises.

Disassemble only with proper tools and follow the manufacturer’s technical instructions; if in doubt, consult a qualified technician.