Ergal ball-bearing spring guide designed for V3 gearboxes. The rod profile accepts most springs on the market while the nickel-plated AVP base offers high resistance to pins and adds robustness to the gearbox rear structure. Ideal for tuners and technicians who want a durable, precision replacement part for AEG internals.

Technical specifications

Name: FPS Spring Guide V3 (GM3E).

Material: ergal (machined aluminium) with ball bearing.

Base: nickel-plated AVP for improved pin resistance.

Compatibility: designed for AK47, AK74, AUG, G36, SIG, KURZ/PDW, GALIL (V3 gearboxes).

Standard compatibility: Marui compatible.

Origin: Made in Italy.

Reference / SKU: 6737-6306.

Package contents

1 × FPS V3 spring guide (GM3E) in ergal with ball bearing.

Fixing screws/inserts if supplied.

Label / SKU.

User benefits
A robust, low-friction spring guide that simplifies spring swaps, increases rear-pin durability and contributes to a more reliable gearbox under heavy use — a small upgrade with clear mechanical benefits.

Warnings & usage information (GPSR compliant)

Do not tamper with, modify or adapt the spring guide: unauthorized changes may impair function and safety.

Ensure the replica is unloaded and springs are not under tension before installation.

Use appropriate tools and correct torque values for fixing; avoid deforming the bearing or rod.

Confirm dimensional compatibility with your gearbox/spring combination before fitment.

For internal repairs, consult qualified technicians or authorized service centers.

Store in a dry place; avoid prolonged exposure to corrosive substances.

Dispose of packaging and metal parts according to local regulations.