Our take: The Lonex 50° Hop-Up Bucking Upgrade is constructed from soft yet durable rubber. This AEG internal part is designed to create a perfect seal with your M4 or AK air nozzle and prevent compression loss during operation. If you're experiencing problems with loss of air compression, diminished range or accuracy, installing this hop-up bucking upgrade can help to address these issues.

Features:
- Soft 50° rubber bucking
- Compatible with most AEG hop-ups
- Durable metal lock ring

Specifications:
Construction: Rubber Bucking and Nub, Metal Lock Ring
Hardness: 50° (Soft)
Compatibility: Most AEG Hop-Ups

Package includes: Bucking, nub, barrel lock ring

NOTE: Airsoft Megastore recommends that all internal upgrades and/or repairs be handled by a qualified airsoft technician. Airsoft Megastore is NOT responsible for improperly installed replacement or upgrade airsoft parts. DO NOT disassemble your airsoft gun within Airsoft Megastore’s warranty period, as this will VOID your warranty.

Package weight: 1 lb