Real Avid AVGBMK223 Gun Boss Multi-Kit 223 Rem 5.56x45mm NATO Rifle

Rifle maintenance across .223 and 5.56 NATO loads requires purpose-built tools that travel with you. The Real Avid Gun Boss Multi-Kit packages everything needed for field or bench cleaning into a compact plastic case. Whether you're in San Mateo or anywhere in California, understanding local regulations matters—review our California firearm laws resource before your next range session.

Complete .223 NATO Maintenance in One Kit

This multi-kit consolidates brushes, rods, patches, and solvents into a single portable solution for .223 Rem and 5.56x45mm NATO rifles. The plastic case keeps components organized and protected during transport or storage. Real Avid engineered this kit for shooters who maintain multiple platforms or need reliable cleaning supplies on demand. For handgun owners, explore our California-compliant handgun catalog to round out your firearm collection. Visit our gun store in Sunnyvale for our full catalog.

Frequently asked questions

Does this kit work for both .223 Remington and 5.56 NATO?

Yes. The Gun Boss Multi-Kit is specifically designed for both .223 Rem and 5.56x45mm NATO. The tools and patches included accommodate the dimensions and tolerances of this caliber pairing without adaptation.

What's included in the plastic case?

The kit contains cleaning rods, brushes sized for .223 bore, cotton patches, solvent, lubricant, and a rod guide. Real Avid organizes everything in a durable plastic box measuring 10.2 inches, ready to grab for range trips or home maintenance.

What do I need to bring for DROS in California?

Bring a valid California driver's license or ID card, proof of residency, your Firearm Safety Certificate (FSC), and payment for the firearm and transfer fees. Find gun shop San Jose at TacticCAL.