KPYK Screw Set with Wrench for CRC 1U004A-MIL Handguard is a complete mounting kit designed for secure installation and maintenance of the CRC 1U004A-MIL handguard. Developed in accordance with military standards, the set ensures precise fixation, resistance to mechanical stress, and long-term durability even under intensive use.

This kit is an optimal solution for armorers, military personnel, competitive shooters, and anyone who values a professional approach to installing tactical components.

Purpose

The set is intended for:

• installation and secure mounting of the CRC 1U004A-MIL handguard;

• replacement of standard fastening elements;

• maintenance and service operations;

• restoration of the mounting assembly.

All screws are matched to the factory mounting geometry, ensuring a tight fit without play or misalignment.

Set Includes

1. M4×10 flat head screw, Torx T20 — 13 pcs
   Used for primary handguard mounting. The flat head design allows flush installation for improved ergonomics and clean appearance.

2. DIN 913 set screw M5×4 — 2 pcs
   Designed for additional fixation and stabilization. DIN 913 specifies a headless threaded screw with internal hex drive.

3. 2.5 mm hex key — 1 pc
   For installing the set screws.

4. Torx T20 key — 1 pc
   For installation and removal of the main screws.

Advantages

• Full compatibility with CRC 1U004A-MIL handguard

• Compliant with MIL standards

• Correct thread pitch and length for factory mounting points

• Secure fixation without damaging components

• Required tools included

• Ready-to-use kit with no additional purchases needed