KAK Industry AR-15 Lower Parts Kit – Complete Mil-Spec LPK
Not Yet Rated | Write the First Review SKU: 222-KAK-506-1015-007
UPC: 811163000000
MFG#: 506-1015-007

The KAK Industry AR-15 Lower Parts Kit is a complete set of small components needed to finish your AR-15 lower receiver with confidence. Built to true mil-spec standards, this kit includes the essential pins, springs, and controls for smooth operation and long-term reliability. Whether you’re assembling a new rifle or upgrading an existing one, KAK delivers the parts you need at a price that makes sense.

What Is an AR-15 Lower Parts Kit?

An AR-15 Lower Parts Kit (LPK) is a collection of critical small parts that transform a stripped lower receiver into a functional foundation for your build. Every component in the KAK kit is precision-machined to mil-spec dimensions, ensuring compatibility and reliable performance across AR-15 platforms.

Key Features

• Complete Mil-Spec Set – Includes all necessary small pins, springs, and controls.

• Precision Fit – Each part is manufactured to military specifications for proper function.

• Durable Build – High-quality steel and coatings resist wear and corrosion.

• Trusted Quality – KAK Industry has earned a reputation for reliable AR components.

• Affordable Value – Get a complete kit without overspending.

What’s Included

The KAK AR-15 Lower Parts Kit comes with everything you need to complete your lower:

• Safety selector, detent, and spring

• Bolt catch, plunger, spring, and roll pin

• Magazine catch, button, and spring

• Pivot and takedown pins with detents and springs

• Trigger guard with roll pin

• Buffer retainer and spring

• Complete fire control group (trigger, hammer, disconnector, and springs)

• A2-style pistol grip with screw and washer

Why Choose the KAK Industry AR-15 LPK?

• Dependable Fitment – Designed to meet strict tolerances for smooth function.

• Great for Builders – Ideal for first-time builds or spare parts stock.

• Customer Trusted – Backed by positive reviews from AR enthusiasts and professionals.

• Better Value – Delivers the same reliability as premium kits at a competitive price.

Compatibility

• Fits AR-15 mil-spec lowers

• Works for rifles and pistols based on AR-15 platforms

• Not intended for AR-10/.308 builds (use a .308-specific LPK instead)

Installation

Installation requires only basic armorer’s tools such as punches, a hammer, and protective tape. With mil-spec fitment, the KAK AR-15 LPK installs smoothly, making it a great choice for DIY builders and gunsmiths alike.

FAQ:

Q: Does the KAK AR-15 Lower Parts Kit include a trigger?
A: Yes, it comes with a complete fire control group (trigger, hammer, disconnector, and springs).

Q: Is the KAK LPK mil-spec?
A: Yes, all parts are manufactured to military specifications for proper fit and function.

Q: Can I use this kit for an AR-10 build?
A: No, this kit is designed for AR-15 lowers. For AR-10 platforms, you’ll need a .308-specific parts kit.

Q: What pistol grip is included?
A: The kit includes an A2-style grip with the mounting screw and washer.

Q: Why should I choose KAK over other AR-15 LPKs?
A: KAK Industry combines mil-spec reliability with affordable pricing, making it one of the best values for AR builders.

Order Today

Finish your AR-15 build the right way with the KAK Industry AR-15 Lower Parts Kit. Trusted by builders nationwide, this kit provides all the essential small parts in one affordable package—ensuring your rifle runs reliably from the first trigger pull.