Partial AR M4 Lower Parts Kit – High-Quality Gunbuilder CMMG 55CA601

Build Your Perfect AR with the Partial AR M4 Lower Parts Kit

For firearm enthusiasts, builders, and gunsmiths looking for high-quality components, the Partial AR M4 Lower Parts Kit by CMMG (No. 55CA601) is the ideal solution. This kit provides all the essential parts required for assembling an AR-15/M4 lower receiver, except for the pistol grip, trigger guard, and trigger/hammer assembly, giving you full control over customization. Whether you are upgrading an existing rifle or building from scratch, this kit ensures precision and reliability.

Why Choose the Partial AR M4 Lower Parts Kit?

• Premium Quality Components – Manufactured by CMMG, a trusted name in firearm parts, ensuring durability and precision.
• Perfect for Customization – Allows builders to select their preferred pistol grip and trigger assembly to achieve a personalized shooting experience.
• Reliable Performance – Each part is engineered for seamless compatibility with AR-15 and M4 platforms, delivering smooth operation.
• Easy Assembly – Designed for quick and hassle-free installation, ideal for both beginners and experienced gunsmiths.

What’s Included in the Partial AR M4 Lower Parts Kit?

This Partial AR M4 Lower Parts Kit includes high-quality components that are crucial for the functionality of your lower receiver:

• Bolt Catch & Roll Pin – Ensures secure bolt engagement for smooth operation.
• Bolt Catch Plunger & Spring – Provides necessary tension for proper bolt catch function.
• Trigger/Hammer Retaining Pins – Keeps the fire control group in place.
• Safety Selector, Detent & Spring – Essential for safe and reliable operation.
• Magazine Catch, Spring & Release Button – Guarantees secure magazine retention and easy release.
• Pivot & Takedown Pins, Detents & Springs – Enhances assembly and disassembly convenience.
• Buffer Retainer & Spring – Maintains buffer and spring alignment.

Ideal Uses for the Partial AR M4 Lower Parts Kit

• Custom AR-15 & M4 Builds – Perfect for builders who want to assemble a unique firearm.
• Upgrading Existing Rifles – Replace worn-out components with high-quality parts.
• Gunsmithing & Repair – A must-have for professionals working on AR-15 and M4 platforms.
• Shooting Enthusiasts & Hobbyists – DIY builders who want to personalize their rifles.

Benefits of Using the Partial AR M4 Lower Parts Kit

• Precision Engineering – Designed for exact compatibility with mil-spec AR-15/M4 lower receivers.
• Durability & Longevity – Made from high-quality materials resistant to wear and tear.
• User-Friendly Installation – Step-by-step assembly without the need for advanced tools.
• Cost-Effective Solution – A budget-friendly alternative to buying full lower parts kits with unnecessary extras.

How to Install the Partial AR M4 Lower Parts Kit

1. Prepare Your Lower Receiver – Ensure it is clean and free of obstructions.
2. Install the Bolt Catch Assembly – Secure the bolt catch, roll pin, plunger, and spring.
3. Attach the Magazine Catch – Insert the magazine catch, spring, and release button.
4. Position the Safety Selector – Fit the safety selector, detent, and spring into place.
5. Set the Pivot & Takedown Pins – Insert the pivot/takedown pins, detents, and springs.
6. Secure the Buffer Retainer – Install the buffer retainer and spring.
7. Test Fit & Function – Ensure all components operate smoothly.

Pro Tips for Assembly:

• Use a punch tool for precise pin installation.
• Apply lubrication to moving parts for optimal function.
• Double-check alignment before final tightening.

Why Gun Owners Love the Partial AR M4 Lower Parts Kit

This Partial AR M4 Lower Parts Kit is highly rated by firearm enthusiasts and professionals for its high-quality manufacturing, ease of assembly, and perfect fit for AR-15/M4 rifles. Whether you’re a first-time builder or an experienced gunsmith, this kit provides reliability and flexibility for your firearm project.

Frequently Asked Questions (FAQs)

Q: Is this kit compatible with all AR-15 lower receivers?
A: Yes, this Partial AR M4 Lower Parts Kit is compatible with mil-spec AR-15 and M4 lower receivers.

Q: Does this kit include a trigger assembly?
A: No, this kit excludes the trigger, hammer assembly, pistol grip, and trigger guard, allowing you to customize those parts according to your preference.

Q: Can I install this kit myself?
A: Yes! With basic tools and instructions, most builders can install this kit without professional assistance.

Q: What material are the parts made of?
A: All components in the Partial AR M4 Lower Parts Kit are crafted from high-quality steel and durable polymer for long-lasting performance.

Order Your Partial AR M4 Lower Parts Kit Today!

Upgrade your firearm or complete your AR-15/M4 build with this premium Partial AR M4 Lower Parts Kit by CMMG. Get yours today and experience unmatched reliability and customization!