Lower Parts

Lower Parts

Upgrade and customize your rifle with precision-engineered AR10 lower parts meticulously crafted for optimal performance and reliability. Our extensive selection of AR-10 lower parts includes everything you need to fine-tune your firearm to your exact specifications. From comprehensive parts kits to individual components such as triggers, buffer tubes, and pistol grips, each item is designed to seamlessly integrate with your AR-10 lower receiver for smooth and efficient operation. Whether you're assembling a new rifle or enhancing an existing one, trust in our premium AR-10 lower parts to elevate your shooting experience and ensure consistent functionality in every scenario

  • ar15 black PHASE 5 black DIMPLED MAGAZINE RELEASE button ar15 black PHASE 5 black DIMPLED MAGAZINE RELEASE button

    Phase5 Black Dimpled Magazine Release Button

    $11.99
    Phase 5 Black Dimpled Magazine Release       Black/ Red/ Grey / Blue The Phase 5™ PMR-Dimpled is a CNC machined 6061-T6 billet aluminum magazine release button. Easy to install, the PMR is a drop in component that...
    $11.99
  • Phase5 black Angled Textured Magazine Release Phase5 black Angled Textured Magazine Release

    Phase5 Black Angle Textured Magazine Release

    $12.99
    Phase5 Black Angled Textured Magazine Release       Title: Precision Performance Upgrade: Phase5 Black Angled Textured Magazine Release for Enhanced Firearm Control Description: Elevate your firearm's performance with the Phase 5™...
    $12.99
  • ar15 BLACK Phase5 Winter Trigger Guard ar15 BLACK Phase5 Winter Trigger Guard

    Phase5 Black Winter Trigger Guard

    $23.99
    Phase 5 Black Winter Trigger Guard         Title: Enhance Your Firearm Control with the Phase 5 Black Winter Trigger Guard Release Button Description: Upgrade your firearm's functionality and aesthetics with the newly...
    $23.99
  • A1Armory AR-15 Trigger Spring A1Armory AR-15 Trigger Spring

    A1Armory AR-15 Mil Spec Trigger Spring

    $1.99
    A1Armory AR-15 mil-spec Trigger Spring     A1Armory AR-15 Mil-Spec Trigger Spring, meticulously crafted to exacting mil-spec dimensions for optimal performance. This standard power trigger spring is designed for use on both AR15...
    $1.99
  • A1Armory AR15 Fire Control Group FCG lower parts kit

    A1Armory AR-15 Fire Control Group FCG

    $29.99
    A1Armory AR-15 Fire Control Group FCG       Material Excellence: The A1Armory AR-15 Fire Control Group is crafted with precision using high-quality materials to ensure exceptional durability and performance. The trigger and hammer are...
    $29.99
  • 10-AR-15 Nitride Buffer Retaining Pin 10-AR-15 Nitride Buffer Retaining Pin

    10 Pack AR-15 Buffer Retaining Pin

    $18.95
    10-AR-15 Nitride Buffer Retaining Pin       10-AR-15 Nitride Buffer Retaining Pins, meticulously engineered to meet and exceed milspec standards. Crafted with precision on state-of-the-art Swiss CNC machines, these buffer retainer pins...
    $18.95
  • A1Armory Skeletonized Black Pistol Grip A1Armory Skeletonized Black Pistol Grip

    Presma Skeletonized Black Pistol Grip

    $39.99
    A1Armory Skeletonized Black Pistol Grip     Made in the USA 3.6 oz Height- 4" Black Anodized 6061 T6 Aluminum Fits AR-15, AR-10 and LR .308 Lowers.  Super Strong Skeletonized 6061 T6 Aluminum construction pistol style Rear Grip...
    $39.99
  • AR15 MIL SPEC SPRING KIT WITH TRIGGER SPRING, HAMMER SPRING, FROM A1ARMORY

    A1Armory Mil-Spec Lower Parts Spring Kit

    $4.75
    A1Armory AR-15 Mil-Spec Lower Parts Spring Kit       AR-15 Mil-Spec Lower Parts Spring Kit – meticulously crafted for precision and reliability. Elevate your AR-15 with this comprehensive kit, ensuring optimal performance for every...
    $4.75
  • A1armory AR-15 Fire Control Group Hammer/Trigger Pin Set

    AR-15 Nitride Fire Control Group Pin Set

    $2.75
    A1armory AR-15 Fire Control Group Pin/FCG Pin Set       Title: Premium AR-15 Fire Control Group Pin Set for Superior Performance Description: Upgrade your AR-15 or M16 with our meticulously crafted AR-15 Fire Control Group Pin...
    $2.75
  • AR Platform Hammer Spring AR Platform Hammer Spring

    A1armory AR15 Hammer Spring

    $1.99
    AR Platform Hammer Spring                   Title: A1armory USA-Made MIL-SPEC AR-15/M16 Hammer Spring: Elevate Your Firearm's Performance Features: Precision-crafted in the USA to meet MIL-SPEC standards,...
    $1.99
  • AR-15 mil spec DISCONNECT lower trigger parts-www.A1Armory.com A1armory AR15 Disconnector

    AR10 / AR15 Disconnector

    $4.75
    A1armory AR15 Disconnector       Product Description: Upgrade your AR15 or AR10 rifle with the A1armory AR15 Disconnector, meticulously engineered to meet milspec dimensions and deliver unparalleled performance. Crafted with...
    $4.75
  • A1armory AR15 Takedown Pivot Pin Detent Set-www.A1Armory.com

    A1armory AR15 Takedown/Pivot Pin Detent Set

    $1.99
    AR15 Pivot Pin & Takedown Pin Detents     Perfect for replacing lost parts or stocking up for future builds, these AR15 Pivot Pin & Takedown Pin Detents offer reliability and precision. Ideal for sellers and builders alike, these...
    $1.99
  • 100 Bulk Wholesale AR15 Magazine Catch Spring

    100 Quantity AR15 Magazine Catch Springs

    $34.99
    100 Bulk Wholesale AR15 Magazine Catch Spring       For those who demand reliability and performance in every build or repair, our Mil-Spec AR-15 Magazine Catch Springs are the perfect solution. Designed with precision and durability in...
    $34.99
  • 10 Pack AR-15 Buffer Retaining Spring

    10 Pack AR-15 Buffer Retaining Spring

    $4.25
    10 Pack A1armory Buffer Retaining Springs       Introducing the 10 Pack A1armory Buffer Retaining Springs, designed for both new builds and as reliable replacements for worn-out parts. Crafted with precision and engineered to exacting...
    $4.25
  • On Sale
    Timber Creek Black AR-15 Enforcer Skeletonized Pistol Grip- Timber Creek Black AR-15 Enforcer Skeletonized Pistol Grip-

    TCO AR-15 Black Enforcer Skeletonized Pistol Grips

    Now: $76.99
    Was: $99.99
    Timber Creek Black AR-15 Enforcer Skeletonized Pistol Grip-      Timber Creek Black AR-15 Enforcer Skeletonized Pistol Grip – a precision-engineered upgrade designed to elevate your AR-15 shooting experience. Crafted with...
    Now: $76.99
    Was: $99.99
  • On Sale
    timber creek robins egg blue ambi safety selector anodized colors for custom rifle builds timber creek robins egg blue ambi safety selector anodized colors for custom rifle builds

    Timber Creek Robins Egg Blue Ambi Safety Selector

    Now: $33.88
    Was: $40.00
    Timber Creek Robins Egg Blue Ambidextrous Safety Selector       DESCRIPTION: Timber Creek Robins Egg Blue Ambidextrous Safety Selector Enhance the functionality and aesthetics of your firearm with the Timber Creek Robins Egg...
    Now: $33.88
    Was: $40.00
  • Timber Creek AR-15 Black Oversized Trigger Guard Timber Creek AR-15 Black Oversized Trigger Guard

    Timber Creek Black AR15 Oversized Trigger Guard

    $23.99
    Timber Creek AR-15 Black Oversized Trigger Guard       Timber Creek AR-15 Black Anodized Oversized Trigger Guard, the perfect upgrade for your firearm. Enhance your shooting experience with these key features: Glove-Friendly...
    $23.99
  • AR-15  AR-10 Hex Head Pistol Grip bolt

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

    $0.99
    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...
    $0.99
  • On Sale
    Mil Spec AR-15 Single Stage Trigger Mil Spec AR-15 Single Stage Trigger-a1armory.com

    AR-15 Mil Spec Single Stage Trigger

    Now: $9.75
    Was: $14.99
    AR-15 Mil Spec AR-15/AR-10 Single Stage Trigger       Mil-Spec AR-15 Trigger: Crafted from high-quality 8620 alloy steel, the Mil-Spec AR-15 Trigger by A1Armory exemplifies precision engineering. Meticulously machined to exact...
    Now: $9.75
    Was: $14.99
  • AR-15.308 Black Mil Spec A2 Pistol Grip AR 15 Mil Spec A2 Pistol Grip Kit-a1armory.com

    AR-15 A2 Mil Spec Textured Grip

    $4.99
    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...
    $4.99
  • On Sale
    AR15 Trigger Guard Kit

    AR15 Trigger Guard Kit

    Now: $0.99
    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 detent Includes Roll...
    Now: $0.99
    Was: $3.50
  • On Sale
    AR15 Trigger Guard Kit Billet Aluminum lower part for building your lower receiver-www.A1Armory.com AR15 Trigger Guard Kit Billet Aluminum lower part for building your lower receiver-www.A1Armory.com

    AR10 / AR15 Billet Aluminum Trigger Guard Kit

    Now: $8.99
    Was: $12.99
    AR10 / AR15 Billet Aluminum Trigger Guard Kit -      Title: Precision Performance Unleashed: AR10/AR15 Billet Aluminum Trigger Guard Kit Description: Upgrade your AR15 or AR10 with our top-of-the-line Billet Aluminum Trigger...
    Now: $8.99
    Was: $12.99
  • AR10  AR15 Pivot & Takedown Pin Spring lower parts sold in bulk quantity-www.A1Armory.com

    AR10 / AR15 Pivot & Takedown Pin Spring Set

    $1.25
    A1Armory AR15 Lower Parts - Pivot & Takedown Pin Spring Set     Pivot & Takedown Pin Spring Set, meticulously engineered to Milspec dimensions for uncompromised performance and compatibility. This set is designed for use on M16, AR15,...
    $1.25