Individual Lower Parts/ Small Parts

Individual Lower Parts/ Small Parts

In this arsenal of AR-15 individual lower parts and small components lies the intricate backbone of firearm customization and maintenance. Each piece, from springs to detents, plungers to buffer pins, embodies precision engineering and reliability, ensuring your rifle operates at its peak performance. Dive into this meticulous array of components, and you'll discover not just mere parts, but the essence of craftsmanship that enthusiasts and marksmen alike rely on to fine-tune their firearms to perfection. Whether you're a seasoned gunsmith seeking specific upgrades or a newcomer exploring the intricacies of firearm assembly, this collection offers an immersive journey into the heart of AR-15 customization, where every detail matters, and every part plays a crucial role in shaping your shooting experience.

  • On Sale
    Presma Aluminum Enhanced Red Castle Nut Presma Aluminum Enhanced Red Castle Nut

    Presma Red Aluminum Enhanced Castle Nut

    Now: $14.33
    Was: $19.99
    Presma Aluminum Enhanced Red Castle Nut       Presma Enhanced Red Anodized Castle Nut - a superior accessory meticulously designed to elevate the performance and aesthetics of your rifle. Here's why this castle nut deserves your...
    Now: $14.33
    Was: $19.99
  • TF Tactical AR-15 Reduced Trigger 4.5-5.5 lbs Pull Kit

    TF Tactical AR-15 Reduced Trigger Pull Kit

    $9.09
    TF Tactical AR-15 Reduced Trigger Pull Kit      Introducing the TF Tactical AR-15 Reduced Trigger Pull Kit, engineered to elevate your shooting experience with unparalleled precision and ease. Designed to reduce your AR-15 trigger...
    $9.09
  • AR-15 nitride coated steel ejector to help clear spent brass out of the chamber AR-15 nitride coated steel ejector to help clear spent brass out of the chamber

    AR-15 Ejector

    $3.63
    AR-15 Ejector     Ensure smooth and reliable ejection of spent brass with our high-quality AR-15 ejector. Crafted for durability and precision, this essential component is designed to keep your firearm functioning flawlessly. Compatibility:...
    $3.63
  • AR15 Trigger Guard Roll Pin FOR TRIGGER GUARD INSTALL-a1armory.com

    10 Pack AR15 Trigger Guard Roll Pins

    $4.78
    10 Pack AR15 Trigger Guard Roll Pins     Product Description: 10 Pack AR15 Trigger Guard Roll Pins Phosphate Coated: Each roll pin features a durable phosphate coating, providing superior corrosion resistance and long-lasting performance...
    $4.78
  • ar 15 gas rings 3 pack for bolt carrier group leaks

    AR15 Gas Ring 3 Pack

    $2.72
    AR15 Gas Ring 3 Pack       Ensure your AR15 or M16 runs at peak performance with our high-quality gas rings. Gas leaks can significantly impact your firearm's reliability, making gas rings a crucial component to maintain. Keep a few of...
    $2.72
  • AR15 LOWER RECEIVER BLACK ACCU WEDGE AR15 LOWER RECEIVER BLACK ACCUWEDGE

    AR15 Accu Wedge Red or Black

    $1.36
    Accu-wedge                                 Features: Enhanced Connection: Tighten up the fit between your lower receivers with the Accu Wedge, designed to snugly...
    $1.36
  • AR15 black MIL SPEC steel hammer for fire control group A1Armory.com AR15 black MIL SPEC steel hammer for fire control group A1Armory.com

    AR-15 Standard Mil-Spec Steel Hammer

    $11.82
    AR-15 Mil Spec Hammer       AR-15 Mil-Spec Hammer – crafted with precision in the USA from durable 8620 alloy steel. This essential component ensures optimal performance in your AR15 rifle build, serving as a reliable...
    $11.82
  • American Flag Engraved Trigger Guard American Flag Engraved Trigger Guard-a1armory.com

    American Flag Engraved Trigger Guard

    $11.37
    AR-15 American Flag Engraved Trigger Guard       Introducing the AR-15 American Flag Engraved Trigger Guard, a premium accessory designed to enhance your rifle's aesthetic and performance. Crafted with precision from 6061 aluminum, this...
    $11.37
  • Mil-Spec carbine stock lock ring, also known as the 'Castle Nut'. Mil-Spec carbine stock lock ring, also known as the 'Castle Nut'.

    AR-15 Mil Spec Castle Nut

    $3.18
    AR15 / M16 / AR10 Steel Castle Nut       A1Armory AR15/M16/AR10 Steel Castle Nut – the epitome of durability, precision, and reliability for your firearm assembly needs. Elevate your shooting experience with this...
    $3.18
  • AR-15 One Shot One Kill Engraved Trigger Guard AR-15 One Shot One Kill Engraved Trigger Guard

    AR-15 One Shot One Kill Engraved Trigger Guard

    $11.82
    AR-15 One Shot One Kill Engraved Trigger Guard       Introducing the AR-15 One Shot One Kill Engraved Trigger Guard, meticulously crafted to elevate your firearm experience. Precision-engineered from high-grade 6061 aluminum, this trigger...
    $11.82
  • AR-15 Enemy Forward Engraved Custom Trigger Guard

    AR-15 Enemy Forward Engraved Custom Trigger Guard

    $11.82
    AR-15 Enemy Engraved Trigger Guard       Introducing the AR15 Enemy Engraved Trigger Guard, meticulously crafted to enhance your firearm experience with unparalleled durability and style. Here's why it stands out: Premium Construction:...
    $11.82
  • AR15 Death Before Dishonor Engraved Trigger Guard

    AR15 Death Before Dishonor Engraved Trigger Guard

    $13.64
    AR15 Death Before Dishonor Engraved Trigger Guard     Introducing the AR15 Death Before Dishonor Engraved Trigger Guard, meticulously crafted for the discerning firearm enthusiast. This trigger guard stands as a testament to both style and...
    $13.64
  • AR15 Bad MotherF'er Engraved Trigger Guard

    AR15 Bad MotherF'er Engraved Trigger Guard

    $8.99
    AR15 Bad MotherF'er Engraved Trigger Guard       Elevate your AR-15 build with the Bad MotherF'er Engraved Trigger Guard, crafted from high-quality 6061 aluminum. This custom trigger guard not only enhances the functionality of your rifle...
    $8.99
  • AR-15 Bad Ass Engraved Trigger Guard AR15 CUSTOM Bad Ass Engraved Trigger Guard

    AR-15 Bad Ass Engraved Trigger Guard

    $9.09
    AR-15 Bad Ass Engraved Trigger Guard       Show your patriotism and dedication to freedom with the “Don’t Tread On Me” Engraved AR-15 Trigger Guard. Crafted from high-quality 6061 aluminum, this trigger guard is not only...
    $9.09
  • A1A AR-15 Ambi dual sling mount receiver End Plate-A1Armory.com A1A AR-15 Ambi dual sling mount receiver End Plate-A1Armory.com

    AR-15 Ambidextrous Dual Sling Mount End Plate

    $3.63
    A1Armory AR15 Ambidextrous Receiver Dual Sling Mount End Plate     A1Armory AR15 Ambidextrous Receiver Dual Sling Mount End Plate - Mil Spec, the pinnacle of versatility and reliability for your AR15/M16/AR10 platform. Crafted with...
    $3.63
  • A1A AR-15 Receiver Extension End Plate A1A AR-15 Receiver Extension End Plate

    Bulk Wholesale AR-15 Mil-Spec End Plates

    $3.53
    Bulk Wholesale AR Platform Buffer Tube Receiver End Plates         Description: Upgrade your AR15, M16, or AR10 with our Mil-Spec AR .223/5.56/.308 Buffer Tube Receiver End Plate, designed to provide unparalleled...
    $3.53
  • 10 AR10  AR15 Pivot & Takedown Pin Springs in bulk

    10 AR10 / AR15 Pivot & Takedown Pin Springs

    $8.18
    10 Pack Pivot & Takedown Pin Springs       10 Pack Pivot & Takedown Pin Springs – the essential components for firearm enthusiasts seeking reliability and precision. Crafted to milspec dimensions, these springs...
    $8.18
  • PHASE5 EXTENDED BOLT RELEASE LOWER PART V1-WWW.A1ARMORY.COM BLACK PHASE5 EXTENDED BOLT RELEASE V1

    Phase5 Black Extended Bolt Release V1

    $36.39
    Phase 5 Extended Black Bolt Release V1 (ebrv1)     The Phase 5™ Extended Bolt Release v1 (EBRv1) is a two-piece heat-treated add-on. When mounted to your existing bolt catch, the EBRV1 helps clear jams and double feeds efficiently, and...
    $36.39
  • A1Armory AR-15 EJECTOR ROLL PIN for bcg bolt carrier groups-A1Armory lower ar15 parts, quantity and bulk discounts

    10 Pack AR-15 Ejector Roll Pins

    $5.91
    A1Armory AR-15 Ejector Roll Pins 10 Pack       AR-15 ejector roll pins play a crucial role in the functioning of the rifle's ejection system. They are small, cylindrical pins that secure the ejector spring and ejector in place within the...
    $5.91
  • A1Armory AR-15 Trigger Spring A1Armory AR-15 Trigger Spring

    A1Armory AR-15 Mil Spec Trigger Spring

    $1.81
    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...
    $1.81
  • 10-AR-15 Nitride Buffer Retaining Pin 10-AR-15 Nitride Buffer Retaining Pin

    10 Pack AR-15 Buffer Retaining Pin

    $17.24
    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...
    $17.24
  • AR15 Black Nitride Plunger Bolt Catch lower part for bolt catch assembly

    10 Pack AR-15 Bolt Catch Plunger

    $7.27
    10 -A1Armory AR-15 Nitride Bolt Catch Plunger       Upgrade your AR-15 with the reliable and durable A1Armory AR-15 Nitride Bolt Catch Plunger. Perfect for both enthusiasts and professional gunsmiths, this bolt catch plunger ensures...
    $7.27
  • AR15 MIL SPEC SPRING KIT WITH TRIGGER SPRING, HAMMER SPRING, FROM A1ARMORY

    A1Armory Mil-Spec Lower Parts Spring Kit

    $4.32
    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...
    $4.32
  • A1armory AR-15 Fire Control Group Hammer/Trigger Pin Set

    AR-15 Nitride Fire Control Group Pin Set

    $2.50
    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...
    $2.50
  • AR Platform Hammer Spring AR Platform Hammer Spring

    A1armory AR15 Hammer Spring

    $1.81
    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,...
    $1.81
  • AR-15 mil spec DISCONNECT lower trigger parts-www.A1Armory.com A1armory AR15 Disconnector

    AR10 / AR15 Disconnector

    $4.32
    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...
    $4.32
  • A1armory AR15 Takedown Pivot Pin Detent Set-www.A1Armory.com

    A1armory AR15 Takedown/Pivot Pin Detent Set

    $1.81
    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...
    $1.81
  • 10 Pack AR-15 Buffer Retaining Spring

    10 Pack AR-15 Buffer Retaining Spring

    $3.87
    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...
    $3.87
  • ar15 bolt catch detent spring lower part ar15 bolt catch detent spring lower part

    10 Pack AR15 Bolt Catch Springs

    $7.05
    AR-15 Platform Mil-Spec Bolt Catch Springs       Manufactured to milspec dimensions For use on M16, AR15, and AR10, style firearms 100% USA Made Comes in pack of 10                
    $7.05
  • AR15 BOLT CATCH ROLL PIN lower rifle parts for bolt catch assembly

    10 Pack AR15 Bolt Catch Roll Pins

    $4.32
    AR15 / M16 Bolt Catch Roll Pin 10 Pack       Fits all standard AR15/M16 sized bolts Phosphate finish for durability and corrosion resistance Manufactured to mil-spec dimensions 100% USA Made Comes in pack of...
    $4.32