Combo Deal! Microbest Nickel Boron m16 BCG and Extended Latch Charging Handle

Give your Ar15 build an upgrade with this top-tier Microbest Bolt Carrier Group and Extended Latch Charging Handle Combo.

A solid Bolt Carrier Group is a key component of your Ar15. Microbest produces top quality mil-spec BCGs for the military and other quality rifle manufacturers. This 5.56 / 223 BCG features a Nickel Boron exterior coating and is properly made, ready to run reliably in your rifle. These are individually HPT / MPI.

Microbest Nickel Boron M16 BCG & Extended Latch Charging Handle Combo – Premium AR-15 Upgrade

Take your AR-15 performance to the next level with this premium Microbest Nickel Boron M16 Bolt Carrier Group and Extended Latch Charging Handle Combo. Built for serious shooters, this combo provides enhanced reliability, smooth cycling, and long-lasting durability—perfect for both seasoned builders and first-time upgrades.

Microbest is a trusted OEM for the U.S. military and leading rifle manufacturers. Their Nickel Boron BCGs are renowned for precision machining, high-end materials, and battle-proven coatings. This BCG is individually MPI and HPT tested, ensuring it’s ready to handle high round counts and harsh environments.

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🔧 BCG Features – Nickel Boron Finish

Mil-Spec 8620 Carrier

• Machined from 8620 quality steel
• Full-auto M16 cut
• Nickel Boron coated for superior corrosion resistance and cleaning ease

Mil-Spec Bolt

• Carpenter 158 steel (C158)
• Shot peened and High Pressure Tested (HPT)
• Magnetic Particle Inspected (MPI)
• Fitted with Sprinco extractor and ejector springs, including insert and O-ring
• Browse all Bolt Carrier Groups »

Extractor Assembly

• 4140 steel
• Assembled with premium Sprinco extractor spring
• Includes black insert and O-ring for enhanced tension and longevity

Mil-Spec Gas Key

• 4130 steel
• Properly staked with OCKS-grade key screws
• Nickel Boron coated for wear resistance and carbon fouling reduction

Additional Parts

• 4140 steel cam pin (Nickel Boron)
• Firing pin and retaining pin included
• Total weight: 11.6 oz

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⚙️ Extended Latch Charging Handle

The included Extended Latch Charging Handle gives you a more ergonomic, aggressive grip for easier weapon manipulation—especially when optics are mounted.
This handle is perfect for tactical use, fast clearing, or high-stress environments.

Looking for an Ambidextrous Upgrade? Check out our Ambidextrous Charging Handles for even more control and flexibility.

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✅ Why Choose This Combo?

• Combines two of the most important AR-15 upgrades in one package
• Trusted by military and professional armorers
• Nickel Boron coating for extended service life
• Ready for high-volume use in 5.56 / .223 rifles
• Compatible with all standard mil-spec AR-15 upper receivers
• Browse All AR-15 Upper Receivers »

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🔥 Perfect For:

• AR-15 builders looking to upgrade reliability and ease of maintenance
• Shooters running suppressed rifles or high round counts
• Tactical, defensive, and competition setups
• DIY rifle builds using AR-15 Build Kits

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📦 Upgrade your rifle with one of the most reliable BCGs in the industry—paired with a practical extended charging handle for faster manipulation.
Shop now at MidstateFirearms.com – quality components, made for real shooters.