Retro Arms CZ Billet CNC 8mm Ver. 2 Gearbox Shell Spring Guides This is one of the

This is one of the easiest yet most effective upgrades you can have for your rifle

Four External Rifle Magazine Pouches with individual magazine flaps with hook and loop fasteners

Safe / semi-auto / full-auto fire modes w/ ambidextrous safety / fire selector

allowing you to efficiently carry and access essential items during gameplay

Retro Arms CZ Billet CNC 8mm Ver. 2 Gearbox Shell Spring Guides This is one of theUnlike most other gearbox shells on the market, the Retro Arms CZ gearbox shells are machined out of a solid block of billet EN AW 7075 T651 aluminum, the same aluminum they use for Boeing commercial aircrafts. Combined with reinforcement of key stress points, the gearbox shell has undergone extensive stress tests and have proven to be resilient without any signs of wear. Quick Change Spring System Anodized Finish Reinforcement in Key Stress Points