Why an AR15 Pistol Kit Is the Perfect Build

Why an AR15 Pistol Kit Is the Perfect Build

Jul 29, 2025

Build a Compact AR15 Pistol — Kits, Uppers & Parts

If you're looking to build a compact, customizable, and affordable firearm, the AR15 pistol kit is a top-tier choice. Whether you're a first-time builder or a seasoned enthusiast, these kits include everything you need to assemble a powerful AR-style pistol without breaking the bank. At AR15-Overstock, we carry a wide selection of AR15 pistol kits to suit any budget or build preference.
Shop AR15 Pistol Kits → /ar-15/pistol-kits

What Is an AR15 Pistol Kit?

An AR15 pistol kit bundles most of the components required to build an AR-style pistol. Typical kit contents include:

  • Pistol upper (common lengths: 7.5"–10.5") — choose from a range of calibers and finishes.  Shop Uppers → /ar-15/uppers

  • Handguard — free-float M-LOK or KeyMod options for accessory mounting.

  • Bolt Carrier Group (BCG) — the heart of the action.  Shop BCGs → /ar-15/parts/bcg

  • Charging handle — standard or upgraded options.  Shop Charging Handles → /ar-15/parts/charging-handles

  • Lower parts kit (LPK) — triggers, pins, springs, and controls.  Shop LPKs → /ar-15/parts/lpk

  • Pistol buffer tube or brace — verify legal compatibility for your state. 

All you need to complete the build is a stripped lower receiver, which is the serialized firearm component and must be purchased and transferred through an FFL. For federal guidance on transfers and classifications, see the ATF resources. External: ATF — Firearms Rules & Regulations.

Why Choose an AR15 Pistol?

The AR15 pistol has grown in popularity thanks to:

  • Compact size — perfect for home defense, vehicle carry, and tight quarters.

  • Lightweight & maneuverable — easier to handle than a full rifle.

  • Customization — choose optics, grips, handguards, braces, and muzzle devices. Shop Accessories → /ar-15/accessories

Build It Yourself, Save More

One of the biggest benefits of buying an AR15 pistol kit from AR15-Overstock is cost savings. Kits let you avoid retail markups and let you pick the exact combination of parts you want.

We also run frequent sales and bundle deals, so check our discounts and clearance pages for deals.  Deals & Clearance → /ar-15/pistol-kits/discounts

Tips for First-Time Builders

  • Check local laws first. State and local rules vary and can affect braces, foregrips, and barrel lengths. See ATF guidance (opens in new tab).

  • Use the right tools. An armorer’s wrench, punches, vise block, and torque wrench make assembly easier and safer.

  • Follow a step-by-step guide. Our build guide covers headspace checks, function tests, and break-in recommendations.

  • Confirm kit contents. Double-check product pages to see whether the BCG, charging handle, and buffer assembly are included.

Why Shop AR15-Overstock?

Ready to Build Your AR15 Pistol?

Browse our full selection of AR15 pistol kits and start your build today. Need a hand choosing parts? Contact our customer support for recommendations or view detailed product specs on each listing.

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