WHA Super Safety MP5K Lower – Push Pin

Description

Configuration
Model: MP5K (K Model)
Receiver Pattern: Push Pin
Compatible with HK MP5K, MKE AP5-P, Zenith ZF5-P, MAC-5K, and other MP5K-pattern hosts.

The War Hammer Armaments Complete Super Safe MP5 Lower is an all-new, in-house lower housing engineered specifically for Super Safe–equipped MP5 platforms. This lower is manufactured using a Kevlar and carbon-fiber–infused polymer, providing increased strength, durability, and dimensional stability compared to standard polymer housings.

This is not a legacy or third-party lower and is not intended to function as a generic MP5 replacement. Every aspect of the housing and internal configuration is designed to support proper selector engagement, trigger reset behavior, and long-term reliability when used with compatible hosts.

The lower features Super Safe pictogram markings on both sides with a red selector indicator, indicating correct selector orientation and Super Safe operation. The opposite side of the housing remains unmarked, consistent with proper MP5 lower configuration and visual standards.

Each unit is fully assembled, inspected, test-fired, and validated in-house by War Hammer Armaments, with a focus on consistency, correct timing, and repeatable performance rather than tolerance stacking or experimental setups.

Compatible Platforms

Compatibility Notes

• Designed for MP5K push-pin receivers
• Compatible with HK MP5K, MKE AP5-P, Zenith ZF5-P, MAC-5K
• Not compatible with shelf-style receivers
• Fully assembled lower housing
• Ships directly to customer (non-serialized component)

Key Features

• All new War Hammer Armaments designed MP5 lower housing
• Constructed from Kevlar and carbon fiber-infused polymer
• Fully assembled and ready for installation
• Configured specifically for Super Safe operation
• Both sides Super Safe pictogram markings with red selector indicator
• MP5-style grip housing geometry
• Improved rigidity and durability over standard polymer lowers
• Built and validated in-house to WHA specifications

Not Compatible With

• Full-size MP5 platforms
• AP53 or other 5.56 MP5-style platforms
• Shelf-style MP5 receivers

Compatibility is platform and pattern-dependent. Customers are responsible for verifying host compatibility prior to purchase.

Shipping & Compliance – Restricted States

This product is subject to state and local shipping restrictions. Orders placed from restricted locations will not be processed. Restricted locations include California, Florida, New York, New Jersey, Massachusetts, Connecticut, Washington, D.C., Hawaii, Rhode Island, Delaware, Washington State, and Illinois. Please review our Shipping & Restrictions page prior to ordering.