4UANTUM Friction Pro-High Performance GBB Bucking HPA Rifle making it safe to use

making it safe to use even on plastic and rubber components

Stock: ARC Retractable Crane Stock w/ Mil-Spec Buffer Tube

With its modular design in handguard

Receiver: SN Receiver

-Chronograph and speed records

4UANTUM Friction Pro-High Performance GBB Bucking HPA Rifle making it safe to use4UAD SMART AIRSOFT Friction Pro GBB Hop Up Bucking Designed to achieve ultimate consistency, the Friction Pro hop up bucking focuses on creating a perfectly centered axis of spin in every shot. While based on a rather traditional single point design, the unique contour of the contact patch generates enough friction to even lift heavy BBs up to 0. 48 grams, while minimizing contact surface to ensure theres no room for error. Resulting in a flat,