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!

  • On Sale
    Guntec AR-15 5.56 Complete Ultralight Series Pistol Kit- No Lower- Anodized Red

    Guntec AR15 5.56 Red Complete Ultralight Series Pistol Kit

    Now: $620.99
    Was: $849.00
    Guntec AR-15 5.56 Complete Ultralight Series Pistol Kit- No Lower- Anodized Red-  FREE SHIPPING!     All US Made Kit Does Not Come Assembled 5.56 Complete BCG Forward Assist Asssembly Ultralight Series...
    Now: $620.99
    Was: $849.00
  • On Sale
    Guntec AR15 5.56 FDE Complete Rifle Kit #4-A1Armory.com

    Guntec AR15 5.56 FDE Complete Rifle Kit #4

    Now: $737.99
    Was: $929.00
    Guntec AR-15 5.56 Complete Rifle Kit #4- No Lower- Flat Dark Earth- FREE SHIPPING!                       All US Made Complete Rifle Kit Contains: 5.56 Ejection Door...
    Now: $737.99
    Was: $929.00
  • On Sale
    Guntec AR-15 5.56 Complete Rifle Kit #5- No Lower-A1Armory

    Guntec AR-15 5.56 Complete Rifle Kit #5

    Now: $701.99
    Was: $849.00
    Guntec AR-15 5.56 Complete Rifle Kit #5- No Lower-  FREE SHIPPING!     All US Made Complete Rifle Kit Contains: 5.56 Ejection Door Assembly 5.56 Complete Lower Parts Kit AR-15 MLS Gen 2 Stock Assembly...
    Now: $701.99
    Was: $849.00
  • AR-15 Mil Spec Buffer Tube With End Plate And Castle Nut

    AR15 Mil Spec Buffer Tube With End Plate And Castle Nut

    MSRP: $22.99
    $17.09
    AR-15 Mil Spec Buffer Tube With End Plate And Castle Nut       Upgrade your AR-15 with a battle-tested buffer tube kit engineered for reliability, strength, and smooth performance. Crafted from high-grade T6 aluminum and proudly made...
    MSRP: $22.99
    $17.09
  • On Sale
    Guntec AR-15 5.56 Complete Rifle Kit #2- No Lower- Flat Dark Earth

    Guntec AR15 5.56 FDE Complete Rifle Kit #2

    Now: $697.49
    Was: $829.00
    Guntec AR-15 5.56 Complete Rifle Kit #2- No Lower- FREE SHIPPING!                      All US Made Complete Rifle Kit Contains: 5.56 Ejection Door Assembly 5.56 Complete Lower...
    Now: $697.49
    Was: $829.00
  • On Sale
    Guntec AR-15 5.56 Complete Rifle Kit #3-A1Armory

    Guntec AR-15 5.56 Complete Rifle Kit #3

    Now: $701.99
    Was: $849.00
    Guntec AR-15 5.56 Complete Rifle Kit #3- No Lower- FREE SHIPPING!   All US Made Complete Rifle Kit Contains: 5.56 Ejection Door Assembly 5.56 Complete Lower Parts Kit AR-15 MLS Gen 2 Stock Assembly...
    Now: $701.99
    Was: $849.00
  • AR-15 Low Profile Gas Block, 0.750” GOLD Aluminum

    AR-15 Gold Low Profile Gas Block 0.750” Aluminum

    $16.65
    AR-15 Low Profile Gas Block .750 GOLD Aluminum   Mil-Spec dimensions .750 diameter Aluminum construction Anodized GOLD Includes roll pin, 2 set screws and allen wrench Note: Not designed for bull barrels Fits: AR .750"...
    $16.65
  • AR-15 Low Profile Gas Block, 0.750” Blue Aluminum

    AR15 .750 Blue Low Profile Aluminum Gas Block

    $16.65
    AR-15 Low Profile Gas Block, 0.750” Blue Aluminum         Mil-Spec dimensions .750 diameter Aluminum construction Anodized Blue Includes roll pin, 2 set screws and allen wrench Note: Not designed for bull...
    $16.65
  • AR-15 Tan Tactical Mil Spec Charging Handle-www.A1Armory.com

    AR-15 Tan Tactical Charging Handle

    $17.99
    AR-15 Tan Tactical Charging Handle     Mil-Spec 6061-T6 Aircraft Aluminum Tan/Dark Earth Finish Smooth Operation under Extreme Conditions Fits: AR-15                          ...
    $17.99
  • AR-15 Red Steel Dual Ambidextrous Safety Selector Lever

    AR-15 Red Dual Safety Selector Lever

    MSRP: $32.99
    $22.49
    AR-15 Red Steel Dual Ambidextrous Safety Selector Lever       AR-15 Red Dual Safety Selector Lever, a precision-engineered upgrade designed to elevate the functionality and aesthetics of your AR platform. This ambidextrous safety selector...
    MSRP: $32.99
    $22.49
  • AR-15 FDE Steel Dual Ambidextrous Safety Selector Lever

    AR-15 FDE Dual Ambidextrous Safety Selector Lever

    MSRP: $29.99
    $23.39
    AR-15 FDE Steel Dual Ambidextrous Safety Selector Lever       AR-15 Flat Dark Earth (FDE) Cerakote Steel Dual Ambidextrous Safety Selector Lever, a precision-engineered enhancement designed to elevate your firearm's functionality and...
    MSRP: $29.99
    $23.39
  • On Sale
    A1Armory AR15 Knurled Blue Ambidextrous Charging Handle-www.A1Armory.com

    A1Armory Blue Knurled Ambidextrous Charging Handle

    MSRP: $39.99
    Now: $26.99
    Was: $39.99
    Blue Ambidextrous AR-15 Knurled Charging Handle       • Pulling from either side will result in a smooth reliable pull using the textured knurled handles• Made from Strong Aircraft Grade T6 Aluminum, hard-coated anodized...
    MSRP: $39.99
    Now: $26.99
    Was: $39.99
  • On Sale
    A1Armory AR-15AR-10LR-308 Red Ambidextrous Knurled Charging Handle

    A1Armory Red Knurled Ambidextrous Charging Handle

    Now: $25.19
    Was: $39.99
    AR-15/AR-10/LR-308 Red Ambidextrous Knurled Charging Handle       Brand new product that allows both right and left-handed shooters to easily charge their AR-15. Also useful for 3 gun shooting and for training off-hand use. • Pulling...
    Now: $25.19
    Was: $39.99
  • On Sale
    AR15 Charging Handle, With Tactical Style Ambi Handle

    AR15 Charging Handle With Tactical Style Ambi Handle

    Now: $10.79
    Was: $18.99
    A1Armory AR-15 Black Charging Handle with Ambi Latch       Product Description: A1Armory AR-15 Black Charging Handle with Ambi Latch Elevate your AR-15 experience with the A1Armory AR-15 Black Charging Handle featuring an Ambi Latch,...
    Now: $10.79
    Was: $18.99
  • AR15 Anodized Billet Upper Receiver

    AR15 Anodized Billet Upper Receiver

    $130.50
    AR15 Anodized Billet Upper Receiver-FREE SHIPPING         Our in house machined AR15 billet upper receivers are the perfect compliment to our billet lowers. Machined from a solid brick of 7075-T6 aluminum, hand deburred, tumbled, and...
    $130.50
  • AR-15 5.56.223 TIN Bolt Carrier Group

    A1Armory Gold Titanium Nitride TIN 5.56/.223 Bolt Carrier Group

    $133.19
    AR-15 5.56/.223 TIN Bolt Carrier Group- FREE SHIPPING!          Enhance your AR-15's reliability and durability with our meticulously crafted AR-15 5.56/.223 Titanium Nitride (TIN) Bolt Carrier Group. Engineered for...
    $133.19
  • On Sale
    A1Armory .2235.56 Lightweight Nitride Bolt Carrier Group

    A1Armory .223/5.56 Lightweight Nitride Bolt Carrier Group

    Now: $151.19
    Was: $208.99
    A1Armory .223/5.56 Lightweight Nitride Bolt Carrier Group-FREE SHIPPING       Each of our Mil-Spec Bolt Carrier Group Assemblies is made in the U.S.A. and feature full-auto capability, a shot peened MPI Bolt, 8620 Gas Carrier and Gas Key...
    Now: $151.19
    Was: $208.99
  • AR15 Breach 1.0 Pistol Brace

    AR15 Breach 1.0 Pistol Brace

    $20.69
    AR15 Breach 1.0 Pistol Brace      Upgrade your AR-15 pistol build with the Breach 1.0 Pistol Brace, engineered for simplicity, reliability, and improved control. Designed to be snag-free and user-friendly, the Breach 1.0 delivers...
    $20.69
  • AR15 Cobra Stock MK2 Lower Part-www.A1Armory.com

    Trinity Force AR15 Cobra Stock MK2

    $40.49
    Trinity Force AR15 Cobra Stock MK2   GET THE MK2 BUFFER TUBE KIT HERE Patent pending locking system QD sockets / 1.5″ Sling loops Snag-free design to prevent any tangles with gear Two different types of ambidextrous sling mounting options,...
    $40.49
  • Trinity Force AR15 DMR Grip With Storage

    Trinity Force AR15 DMR Grip With Storage

    MSRP: $18.99
    $17.09
    Trinity Force AR15 DMR Grip With Storage       Upgrade your AR-15/M4 build with the ergonomic and versatile Trinity Force DMR Grip. Designed for tactical performance and ultimate comfort, this pistol grip seamlessly mounts onto standard...
    MSRP: $18.99
    $17.09
  • AR15 Trinity Force 17' Tactical Polymer Grip lower part-www.A1Armory.com

    Trinity Force 17° AR15 Tactical Polymer Grip

    MSRP: $19.99
    $12.59
    Trinity Force AR15 17° Polymer Grip           Enhance your AR-15 with the Trinity Force AR15 17° Polymer Grip, designed specifically for improved ergonomics and tactical performance. Ideal for shooters seeking better...
    MSRP: $19.99
    $12.59
  • Trinity Force AR15 Alpha Stock

    Trinity Force AR15 Alpha Stock

    MSRP: $39.99
    $28.79
    Trinity Force Alpha Stock       Enhance your rifle’s ergonomics, stability, and performance with the Trinity Force Alpha Stock. Designed for serious shooters and tactical applications, this versatile stock delivers adjustability,...
    MSRP: $39.99
    $28.79
  • A1Armory AR-15 Rear Rubberized Beavertail grip lower ar15 parts-www.A1Armory.com

    A1Armory AR-15 Rear Rubberized Beavertail Grip

    MSRP: $24.99
    $13.49
    AR-15 Rear Rubberized Beavertail grip       Rubberized pistol grip for the AR-15. Sturdy polymer construction. Comfortable grip surface with finger swells. Storage area in handle Comes with mounting...
    MSRP: $24.99
    $13.49
  • A1Armory AR15 Low Profile Stainless Steel Gas Block gas system part with.750 Set Screw

    AR15 Low Profile .750 Stainless Steel Gas Block

    MSRP: $29.99
    $21.59
    A1Armory AR15 Low Profile Stainless Steel Gas Block      Our 416 Stainless Steel Gas Blocks will provide you with a lifetime of service. Combine them with one of our barrels, and create an unstoppable pairing. Anytime you install a new...
    MSRP: $29.99
    $21.59
  • AR-15 Pistol Buffer Tube Kit

    AR-15 Pistol Buffer Tube Kit

    $31.49
    AR-15 Pistol Buffer Tube Assembly        Introducing our AR-15 Pistol Buffer Tube Assembly, meticulously designed and proudly crafted in the USA. Engineered to deliver unparalleled performance and durability, this...
    $31.49
  • AR-15 Pistol Buffer Foam Tube Kit w/ Dual Sling End Plate

    AR-15 Pistol Buffer Foam Tube Kit w/ Dual Sling End Plate

    $29.69
    AR-15 Pistol Buffer Tube Kit w/ Dual Sling End Plate        AR-15 Pistol Buffer Tube Kit with Dual Sling End Plate Upgrade your AR-15 pistol with our comprehensive Buffer Tube Kit, meticulously designed to enhance performance and...
    $29.69
  • AR-15 Mil Spec Buffer Tube Kit w Dual Sling End Plate for fast sling attachment and release

    AR-15 Mil Spec Buffer Tube Kit w/ Dual Sling End Plate

    $29.69
    AR-15 Mil Spec Buffer Tube Kit w/ Dual Sling End Plate    Upgrade your AR-15 with our premium Mil-Spec Buffer Tube Kit featuring a Dual Sling End Plate for enhanced versatility and performance. Engineered with meticulous attention to detail,...
    $29.69
  • Timber Creek 15 Blue Enforcer Hand Guard

    Timber Creek 15" Blue Enforcer Hand Guard

    MSRP: $259.99
    $170.99
    Timber Creek 15" Blue Enforcer Full Rail Hand Guard- FREE SHIPPING       Upgrade your AR-15 with the Timber Creek 15" Blue Enforcer Full Rail Hand Guard, a premium solution for shooters seeking lightweight...
    MSRP: $259.99
    $170.99
  • AR15 Black Anodized Mil Spec Upper Parts Kit

    AR15 Mil Spec Upper Parts Kit + Charging Handle

    $22.49
    AR-15 Black Anodized Mil Spec Upper Parts Kit       Upgrade your AR15 build with the AR15 Black Anodized Mil-Spec Upper Parts Kit — a must-have for any serious builder or enthusiast. Designed to meet strict military specifications,...
    $22.49
  • AR-15 Pistol Buffer Tube, 7.3 with hole for QR Sling Adapter, Blue Anodized-www.A1Armory.com

    Presma 7.3" Blue Pistol Buffer Tube with hole for QR Sling Adapter

    $19.79
    AR-15 7.3" Blue Anodized Pistol Buffer Tube with hole for QR Sling Adapter       Upgrade your AR-15 pistol with our 7.3" Blue Anodized Pistol Buffer Tube – where performance meets style. Designed for shooters who demand both function...
    $19.79
  • Presma AR-15 Pistol Buffer Tube, 7.3 No Foam Wrap, Silver Anodized-

    Presma AR-15 7.3" Silver Anodized Pistol Buffer Tube

    $19.79
    Presma 7.3" Pistol Buffer Tube Silver Anodized         Upgrade your AR-15 pistol build with the AR-15 7.3" Silver Anodized Pistol Buffer Tube – a high-performance, visually striking component engineered...
    $19.79
  • ar15 Push Button Sling Swivel accessory for Picatinny Rail-www.A1Armory.com

    Picatinny Push Button QR Sling Swivel Adapter

    $12.59
    Picatinny Push Button QR Sling Swivel Adapter       Both the mounting attachment & push button swivel are included• Aluminum alloy and steel• Easy to attach anywhere on Picatinny rail system or handguard• Very sturdy...
    $12.59
  • AR-15 Pistol Buffer Tube with Foam Wrap-www.A1Armory.com

    AR-15 Black Pistol Buffer Tube with Foam Wrap

    $17.09
    AR-15 Black Pistol Buffer Tube with Foam Wrap       AR-15 Black Pistol Buffer Tube with Foam Wrap, a premium component designed for your next AR15 pistol build. This meticulously crafted buffer tube is engineered with precision and...
    $17.09
  • AR-15 Sling Adapter End Plate

    AR-15 Sling Adapter End Plate

    MSRP: $13.99
    $8.09
    AR-15 Sling Adapter End Plate         Upgrade your rifle’s versatility and reliability with the AR-15 Ambidextrous Receiver Dual Sling Mount End Plate. Engineered for rugged durability and enhanced...
    MSRP: $13.99
    $8.09
  • AR-15 Silver Steel Ambidextrous Safety Selector Switch

    AR-15 Silver Steel Ambidextrous Safety Selector Switch

    MSRP: $24.99
    $16.19
    AR-15 Silver Steel Ambidextrous Safety Selector Switch       A1Armory AR-15 Silver Steel Ambidextrous Safety Selector Switch, a premium upgrade for your firearm that seamlessly combines versatility, durability, and precision engineering...
    MSRP: $24.99
    $16.19
  • AR-15 Red Steel Ambidextrous Safety Selector Switch

    AR-15 Red Steel Ambidextrous Safety Selector Switch

    MSRP: $24.99
    $16.19
    AR-15 RED Steel Ambidextrous Safety Selector Switch       A1Armory AR-15 Red Steel Ambidextrous Safety Selector Switch – the ultimate enhancement for your firearm's control and customization. Elevate your shooting experience with...
    MSRP: $24.99
    $16.19
  • AR-15 Gold Steel Ambidextrous Safety Selector Switch

    AR-15 Gold Steel Ambidextrous Safety Selector Switch

    MSRP: $29.99
    $26.99
    AR-15 GOLD Steel Ambidextrous Safety Selector Switch       A1Armory AR-15 Gold Steel Ambidextrous Safety Selector Switch – the ultimate enhancement for your firearm's control and customization. Elevate your shooting experience with...
    MSRP: $29.99
    $26.99
  • AR-15 Blue Steel Ambidextrous Safety Selector Switch

    AR-15 Blue Steel Ambidextrous Safety Selector Switch

    MSRP: $24.99
    $16.19
    AR-15 Blue Steel Ambidextrous Safety Selector Switch       AR-15 Blue Steel Ambidextrous Safety Selector Switch, a precision-engineered upgrade designed to enhance the performance and versatility of your standard 223/5.56/308 lower...
    MSRP: $24.99
    $16.19
  • AR-15 Brown Steel Ambidextrous Safety Selector Switch

    AR-15 Brown Steel Ambidextrous Safety Selector Switch

    MSRP: $24.99
    $16.19
    AR-15 Brown/Bronze Steel Ambidextrous Safety Selector Switch       A1Armory AR-15 Brown Steel Ambidextrous Safety Selector Switch, a precision-engineered upgrade designed to enhance the performance and versatility of your standard 223/5...
    MSRP: $24.99
    $16.19

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.