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!

  • Timber Creek Black Extended Mag Release

    Timber Creek Black Extended Mag Release

    $17.99
    Timber Creek Outdoors Black Extended Mag Catch Release Button       Upgrade your AR platform with the Timber Creek Outdoors Black Extended Magazine Release Mount, engineered for enhanced speed, control, and ergonomics. Whether...
    $17.99
  • A1armory bolt carrier group, black bcg,

    AR-15 Nitride Bolt Carrier Group 5.56/.223/.300

    $76.49
    AR-15 .223/5.56 NATO/.300 Blackout/.350 Legend AR-15 Bolt Carrier Group        Elevate your AR-15's performance with the versatile and robust AR-15 Bolt Carrier Group from A1Armory. Precision-engineered and thoroughly inspected, this...
    $76.49
  • 2 AR15 Knurled Gas Block Set Screws

    2 Knurled Gas Block Set Screw

    MSRP: $2.99
    $1.70
    2 AR15 Knurled Gas Block Set Screws       Upgrade your AR-15’s gas system with A1Armory’s Knurled Gas Block Set Screws, designed for reliable performance and secure fitment. Proudly made in the USA, these set screws deliver the...
    MSRP: $2.99
    $1.70
  • AR15 1/2in  Black Crush Washer

    AR15 1/2in Black Crush Washer

    $1.79
     1/2in Black Or Stainless Steel Crush Washers     Product Description: Ensure optimal performance and longevity for your AR15 threaded barrel with our premium 1/2 inch crush washers, designed to be used behind flash hiders or...
    $1.79
  • AR-15  AR-10 Hex Head Pistol Grip bolt

    AR-15/AR-10 Pistol Grip Bolt/Star Lock Washer

    MSRP: $1.99
    $0.89
    AR-15 / AR-10 Hex Head Pistol Grip Bolt Set   Use for a new build or as a replacement for that frustrating OEM flat head screwSteel 1/4x28 x 1" Hex boltSteel Star washerMilitary TypeManufactured in the USALimited Lifetime WarrantyMay come in...
    MSRP: $1.99
    $0.89
  • AR15 Extended Takedown & Pivot Pin Set

    AR15 Takedown & Pivot Extended Pin Set

    MSRP: $19.99
    $14.39
    AR-15 Extended Takedown & Pivot Pin Set       Enhance your AR-15 with enhanced functionality and ease of use. This Extended Takedown & Pivot Pin Set is precision-engineered to provide smoother, faster separation of your upper and...
    MSRP: $19.99
    $14.39
  • Mil Spec AR-15 Single Stage Trigger

    AR-15 Mil Spec Single Stage Trigger

    $11.24
    AR-15/AR-10 Single Stage Trigger       Engineered for precision, reliability, and bulk value, the AR-15 Mil-Spec Single Stage Trigger is the ideal solution for gunsmiths, OEMs, and high-volume builders. With a minimum order quantity of 200...
    $11.24
  • Vibra-Tite 2 ml thread locker tube- medium strength

    Vibra-Tite Medium Strength Threadlocker

    $2.48
    Vibra-Tite 2 ml thread locker tube- Medium Strength       Medium Strength is the perfect kind for your Firearm hardware   FEATURES: Versatile Medium Strength Formula: Vibra-Tite Medium Strength is a reliable...
    $2.48
  • A1A Accu-wedge 5 pack black

    AR15 Accu Wedge 5 Pack

    $9.00
    A1Armory Accu-wedge 5 pack       Tighten Up Your AR – Enhance Accuracy & Reliability Eliminate the play between your upper and lower receivers with the Accu Wedge 5-Pack – your cost-effective solution to increasing the...
    $9.00
  • AR 15 Mil Spec A2 Pistol Grip Kit-a1armory.com

    AR-15 A2 Mil Spec Textured Grip

    MSRP: $7.99
    $4.64
    AR-15/.308 Black Mil Spec A2 Pistol Grip       AR-15/.308 Black Mil Spec A2 Pistol Grip Set – a meticulously crafted and 100% USA Made enhancement for your firearm. This set is designed to elevate your shooting experience...
    MSRP: $7.99
    $4.64
  • On Sale
    AR15 Trigger Guard Kit

    AR15 Trigger Guard Kit

    Now: $0.89
    Was: $3.50
    AR15 Mil-Spec Trigger Guard         Our trigger guard assemblies are manufactured from 7075-T6 aluminum, precision machined, and then anodized and assembled. Features: Billet 7075 construction Comes assembled with spring and...
    Now: $0.89
    Was: $3.50
  • AR15 Trigger Guard Kit Billet Aluminum lower part for building your lower receiver-www.A1Armory.com

    AR-15 Billet Aluminum Trigger Guard Kit

    $8.09
    AR-15 Billet Aluminum Trigger Guard Kit -      Upgrade your AR-15 or AR-10 platform with precision, comfort, and style. Our Billet Aluminum Trigger Guard Kit is engineered for shooters who demand both function and finesse...
    $8.09
  • AR-15 Magazine Catch Kit assembly

    AR15 Magazine Catch Kit

    $6.29
    AR-15 Magazine Catch Kit       Upgrade your AR-15 with our precision-crafted AR-15 Magazine Catch Kit, engineered for durability, seamless functionality, and mil-spec compatibility. Whether you're building a rifle or replacing...
    $6.29
  • 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.