Kak Carrier Completion Kit Chrome

The Kak Carrier Completion Kit Chrome gives you the three essential components needed to round out your AR-15 bolt carrier assembly. Whether you're building a rifle from a bare receiver, assembling an upper from component parts, or keeping spares in your gear locker, this mil-spec kit pairs seamlessly with any quality AR-15 bolt to deliver a functional carrier group. Chrome plating on the firing pin and cam pin offers corrosion resistance and a professional finish—practical touches for a part that works hard in demanding conditions.

Each component in this completion kit is built to mil-spec standards using heat-treated steel. The cam pin is precision-forged from 4140 steel, while the firing pin is ground from 8740 steel and heat-treated for reliability. The firing pin retaining pin rounds out the set with mil-spec phosphate coating. If you're assembling a rifle and don't want to source parts individually from different suppliers, or if you just want a matched set on the shelf for maintenance and repairs, this kit eliminates guesswork.

Chrome plating is a solid choice for shooters in wet or humid climates, offering better corrosion protection than standard finishes. This kit works with any standard AR-15 or M16-pattern bolt, making it a versatile addition to your gunsmithing or maintenance toolbox.

What's Included

• Firing pin (8740 steel, heat-treated, hard chrome plated)
• Cam pin (4140 steel, heat-treated, hard chrome plated)
• Firing pin retaining pin (mil-spec, phosphate coated)

Specifications

Frequently Asked Questions

What AR-15 bolts will this completion kit work with?

This is a mil-spec carrier completion kit designed to pair with any standard AR-15 or M16-pattern bolt. It's built to mil-spec dimensions, so compatibility with quality mil-spec bolts is assured.

Why choose chrome plating over phosphate?

Chrome plating provides superior corrosion resistance, making it a smart choice if you shoot in wet, humid, or coastal conditions, or if you plan to store your rifle for extended periods. Phosphate offers a traditional finish at lower cost but doesn't protect against rust quite as effectively.

Can I use this kit with a stripped bolt carrier group?

Yes. This completion kit gives you the three internal components needed to finish a bolt carrier assembly. You'll still need a compatible AR-15 bolt and carrier, which you can source separately based on your build specs and preferences.

Is this kit suitable for precision or long-range shooting?

This is a mil-spec component kit built for reliability and durability across general shooting applications. For specialized competition or long-range builds, consult your rifle's build documentation or a qualified gunsmith to confirm all components meet your specific requirements.