AR-15 Parts

AR-15 Parts

Welcome to A1Armory.com! The top choice for deals on AR-15 parts, kits, accessories and more. All discounted priced and backed by outstanding customer service. Made in America with warranties!

  • AR15 Pin and Detent Kit

    AR15 Pin and Detent Kit

    MSRP: $19.99
    $13.28
    AR-15 Phosphate Pin and Detent Kit       Upgrade your rifle build with our AR-15 Phosphate Pin and Detent Kit, expertly engineered and proudly manufactured in the USA. Whether you're building from the ground up or need a...
    MSRP: $19.99
    $13.28
  • AR15 Lost Parts springs and detents/pins  Kit

    A1Armory AR15 Lost Parts Kit

    $15.26
    AR-15 Lost Parts Kit       Never let a lost detent or spring stall your AR-15 build again. The A1Armory AR-15 Lost Parts Kit is a must-have collection of the most commonly misplaced lower receiver components. Crafted to mil-spec standards...
    $15.26
  • AR10  AR15 Pivot & Takedown Pin Spring lower parts sold in bulk quantity-www.A1Armory.com

    AR10 / AR15 Pivot & Takedown Pin Spring Set

    MSRP: $1.99
    $1.13
    AR-15 Lower Parts - Pivot & Takedown Pin Spring Set       Upgrade your AR platform with our Pivot & Takedown Pin Spring Set, designed for precision fit, long-lasting performance, and seamless compatibility across M16, AR-15, and...
    MSRP: $1.99
    $1.13

AR-15 Parts – Build, Customize & Maintain Your Rifle

At A1Armory.com, we carry a full selection of high-quality AR-15 parts designed for shooters who demand reliability, performance, and customization options. Whether you’re building your first AR from the ground up, upgrading components for improved handling, or replacing worn parts, we provide everything you need in one place.

Why Choose Our AR-15 Parts?
✅ Wide Selection – From barrels, triggers, handguards, and stocks to small pins, springs, and buffer assemblies, we stock all the essential AR-15 components.
✅ Premium Materials – Every part is crafted from durable materials like 4150 Chrome Moly Vanadium steel, 7075-T6 aluminum, and stainless steel to ensure strength and long service life.
✅ Cerakote & Anodized Colors – Personalize your rifle with a variety of Cerakote finishes and anodized colors including Flat Dark Earth (FDE), Burnt Bronze, Zombie Green, and more.
✅ Made in the USA Options – We proudly carry parts manufactured in the United States, built to meet strict Mil-Spec standards.
✅ Affordable & Trusted – Competitive pricing backed by our small, family-owned business ethos means you get dependable parts with unmatched service.

Build It Your Way
Whether you want a precision long-range rifle, a lightweight competition build, or a tactical carbine, our parts catalog gives you the freedom to customize your AR-15 exactly how you want it. From complete upper and lower assemblies to individual components, we ensure compatibility, performance, and trusted quality in every piece we sell.