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.

  • 4 Piece 2235.56308 Bolt Catch Kit

    4 Piece 223/5.56 Bolt Catch Kit

    MSRP: $12.99
    $5.84
    4 Piece 223/5.56/308 Bolt Catch Kit      Replacement for 223/5.56/308.Kit includes:Aluminum bolt catch, black anodized [1]Bolt catch plunger, black oxide [1]Bolt catch roll pin [1]Bolt Catch Spring...
    MSRP: $12.99
    $5.84
  • Stainless Steel Buffer Retainer Pin & Spring

    Stainless Steel Buffer Retainer Pin & Spring

    $4.73
    Stainless Steel Buffer Retainer Pin & Spring       Introducing our premium Stainless Steel Buffer Retainer Pin & Spring, a meticulously crafted firearm component designed to enhance the reliability and longevity of your...
    $4.73
  • On Sale
    Timber Creek AR-15 black Lower Parts Color Kit.

    Timber Creek AR-15 Black Lower Parts Color Kit

    Now: $53.09
    Was: $64.99
    Timber Creek Outdoors Black Color Enhanced Parts Kit       Description: Upgrade your AR with the Timber Creek Outdoors Black Color Enhanced Parts Kit, featuring precision-engineered components designed to enhance both functionality and...
    Now: $53.09
    Was: $64.99
  • 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
  • Presma Silver Enhanced Castle Nut

    Presma Silver Enhanced Castle Nut

    MSRP: $19.99
    $13.49
    AR-15 Presma Silver Enhanced Castle Nut       Add a bold, refined finish to your AR-15 with the Presma Enhanced Silver Anodized Castle Nut. Expertly engineered from 7075-T6 aluminum, this premium castle nut combines uncompromising...
    MSRP: $19.99
    $13.49
  • Presma Aluminum Enhanced Red Castle Nut

    Presma Red Aluminum Enhanced Castle Nut

    MSRP: $18.99
    $13.49
    Presma Aluminum Enhanced Red Castle Nut       Add a bold, refined finish to your AR-15 with the Presma Enhanced Red Anodized Castle Nut. Expertly engineered from 7075-T6 aluminum, this premium castle nut combines uncompromising durability...
    MSRP: $18.99
    $13.49
  • TF Tactical AR-15 Reduced Trigger 4.5-5.5 lbs Pull Kit

    TF Tactical AR-15 Reduced Trigger Pull Kit

    $8.99
    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...
    $8.99
  • AR-15 nitride coated steel ejector to help clear spent brass out of the chamber

    AR-15 Ejector

    $3.59
    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:...
    $3.59
  • AR-15 Forward Assist Roll Pin for ar15 lower receivers

    10 Pack AR-15 Forward Assist Roll Pins

    MSRP: $6.99
    $3.59
    10 Pack AR-15 Forward Assist Roll Pins     Ensure your AR-15 functions flawlessly with our 10 Pack Forward Assist Roll Pins. These pins are essential for maintaining the proper operation of your forward assist, which aids in chambering rounds...
    MSRP: $6.99
    $3.59
  • AR15 Trigger Guard Roll Pin FOR TRIGGER GUARD INSTALL-a1armory.com

    10 Pack AR15 Trigger Guard Roll Pins

    $4.73
    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...
    $4.73
  • ar 15 gas rings 3 pack for bolt carrier group leaks

    AR15 Gas Ring 3 Pack

    $2.69
    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...
    $2.69
  • AR15 LOWER RECEIVER BLACK ACCU WEDGE

    AR15 Accu Wedge Red or Black

    $1.80
    Accu-wedge                                 MINIMUM ORDER QUANITY OF 3 Tighten Up Your AR – Enhance Accuracy & Reliability Eliminate the play between your upper...
    $1.80
  • AR15 black MIL SPEC steel hammer for fire control group A1Armory.com

    AR-15 Standard Mil-Spec Steel Hammer

    $12.59
    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...
    $12.59
  • AR-15 American Flag Engraved Trigger Guard

    American Flag Engraved Trigger Guard

    $13.49
    AR-15 American Flag Engraved Trigger Guard       Upgrade your AR-15 with a high-quality trigger guard that blends rugged construction with patriotic style. The American Flag Engraved Trigger Guard offers both functionality and bold...
    $13.49
  • Mil-Spec carbine stock lock ring, also known as the 'Castle Nut'.

    AR-15 Mil Spec Castle Nut

    MSRP: $5.99
    $3.14
    AR-15  Steel Castle Nut       Secure your build with unmatched strength and reliability. The AR15 / M16 / AR10 Steel Castle Nut is engineered to provide rock-solid performance in even the most demanding shooting conditions...
    MSRP: $5.99
    $3.14
  • AR-15 We The People Are Pissed Engraved Trigger Guard

    AR-15 We The People Are Pissed Engraved Trigger Guard

    MSRP: $18.99
    $8.99
    AR-15 We The People Are Pissed Engraved Trigger Guard         Premium Construction: Made from durable 6061 aluminum, ensuring rugged reliability and long-lasting performance. Patriotic Engraving: Proudly displays the phrase "We...
    MSRP: $18.99
    $8.99
  • AR-15 One Shot One Kill Engraved Trigger Guard

    AR-15 One Shot One Kill Engraved Trigger Guard

    $11.69
    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...
    $11.69
  • AR15 Betsy Ross Flag Engraved Mag Catch Kit.

    AR15 Betsy Ross Flag Engraved Mag Catch Kit

    $13.49
    AR15 Betsy Ross Flag Engraved Mag Catch Kit       Honor American heritage and upgrade your AR-15 with the AR-15 Betsy Ross Flag Engraved Magazine Catch Kit – a premium component designed for reliability, style, and performance...
    $13.49
  • AR-15 Enemy Forward Engraved Custom Trigger Guard

    AR-15 Enemy Forward Engraved Custom Trigger Guard

    $11.69
    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:...
    $11.69
  • AR15 Death Before Dishonor Engraved Trigger Guard

    AR15 Death Before Dishonor Engraved Trigger Guard

    $13.49
    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...
    $13.49
  • AR15 Bad MotherF'er Engraved Trigger Guard

    AR15 Bad MotherF'er Engraved Trigger Guard

    $8.89
    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...
    $8.89
  • AR-15 Bad Ass Engraved Trigger Guard

    AR-15 Bad Ass Engraved Trigger Guard

    $8.99
    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...
    $8.99
  • A1A AR-15 Ambi dual sling mount receiver End Plate-A1Armory.com

    AR-15 Ambidextrous Dual Sling Mount End Plate

    MSRP: $8.99
    $4.49
    AR-15 Ambidextrous Receiver Dual Sling Mount 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...
    MSRP: $8.99
    $4.49
  • AR-15 Receiver Extension End Plates

    AR-15 Mil Spec Receiver End Plates

    MSRP: $7.99
    $3.14
    AR-15 Mil Spec Receiver End Plates                                                              ...
    MSRP: $7.99
    $3.14
  • A1A AR-15 Receiver Extension End Plate

    Bulk Wholesale AR-15 Mil-Spec End Plates

    $2.39
    Bulk Wholesale AR Platform Buffer Tube Receiver End Plates       MINIMUM OF 100 MUST BE PURCHASED Description: Upgrade your AR15, M16, or AR10 with our Mil-Spec AR .223/5.56/.308 Buffer Tube Receiver End Plate, designed to...
    $2.39
  • 10 AR10  AR15 Pivot & Takedown Pin Springs in bulk

    10 AR10 / AR15 Pivot & Takedown Pin Springs

    MSRP: $15.99
    $8.09
    10- Pack Pivot & Takedown Pin Springs         10-Pack Pivot & Takedown Pin Springs✅ Precision-Crafted | ✅ 100% USA Made | ✅ Milspec Quality Ensure smooth operation and reliable performance for your...
    MSRP: $15.99
    $8.09
  • SKULL - MILSPEC AR-15 TRIGGER GUARD

    AR15 Custom Engraved Reaper Skull Mil-Spec Trigger Guard

    $8.09
    AR-15 Custom Engraved Reaper Skull Milspec Trigger Guard       Description: Elevate your AR-15 to new heights with our Custom Engraved Reaper Skull Mil-Spec Trigger Guard, meticulously crafted for firearm enthusiasts who...
    $8.09
  • AR15 Custom Engraved Distressed Flag Trigger Guard

    AR15 Custom Engraved Distressed Flag Trigger Guard

    $7.88
    AR15 Custom Engraved Distressed Flag Trigger Guard       Upgrade your AR-15 with the Custom Engraved Distressed American Flag Trigger Guard, a perfect blend of rugged design, patriotic detail, and mil-spec reliability. Crafted for builders...
    $7.88
  • DON'T TREAD ON ME - MILSPEC AR-15 TRIGGER GUARD

    AR15 Custom Engraved Don't Tread On Me Mil-Spec Trigger Guard

    $7.88
    AR15 Custom Engraved Don't Tread On Me Mil-Spec Trigger Guard       Title: "AR15 Custom Engraved Don't Tread On Me Snake Mil-Spec Trigger Guard - Elevate Your Firearm with Precision Craftsmanship" Description: Upgrade your AR15 with the...
    $7.88
  • PHASE5 EXTENDED BOLT RELEASE LOWER PART V1-WWW.A1ARMORY.COM

    Phase5 Black Extended Bolt Release V1

    MSRP: $59.99
    $44.99
    Phase 5 Extended Black Bolt Release V1     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 allows...
    MSRP: $59.99
    $44.99
  • M16  AR10  AR15 Selector & Ejector Spring 10 pack lower parts-A1Armory

    10 Pack AR-15/AR-10 Selector & Ejector Spring Set

    $8.51
    10 Pack-A1Armory AR-15/AR-10/M16 Selector/Ejector Spring Set     One of the most common caused for a "failure to eject" is a worn or broken ejector spring.  Springs are considered "wear" items and have a limited service life.  Make...
    $8.51
  • 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

    $5.84
    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...
    $5.84
  • AR-15 Extractor Spring for upper bolt carrier group parts in rifle

    10 Pack AR-15 Mil-Spec Extractor Springs

    $6.29
    10 Pack AR-15 Mil Spec Extractor Springs   Mil-Spec Fits any standard AR-15 / M16 bolt Standard power MADE IN USA                                      ...
    $6.29
  • A1Armory AR-15 Trigger Spring

    A1Armory AR-15 Mil Spec Trigger Spring

    $1.79
    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...
    $1.79
  • 10-AR-15 Nitride Buffer Retaining Pin

    10 Pack AR-15 Buffer Retaining Pin

    $17.06
    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...
    $17.06
  • AR15 Black Nitride Plunger Bolt Catch lower part for bolt catch assembly

    10 Pack AR-15 Bolt Catch Plunger

    $7.19
    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...
    $7.19
  • AR15 MIL SPEC SPRING KIT WITH TRIGGER SPRING, HAMMER SPRING, FROM A1ARMORY

    AR-15 Mil-Spec Lower Parts Spring Kit

    $4.49
    AR-15 Mil-Spec Lower Parts Spring Kit     Upgrade your AR-15 platform with this comprehensive Mil-Spec Lower Parts Spring Kit, built to exacting standards for dependable performance in every condition. Whether you're assembling a new build or...
    $4.49
  • a1armory ar15 selector detent small lower parts for safety selector

    10 Pack AR-15 Lower Receiver Safety Selector Detents

    MSRP: $16.99
    $11.03
    A1Armory AR-15 Selector Detent 10 Pack Lower Parts         A1Armory AR-15 Selector Detent 10 Pack Lower Parts, meticulously crafted to meet and exceed milspec dimensions, ensuring optimal performance and reliability for...
    MSRP: $16.99
    $11.03
  • A1armory AR-15 Fire Control Group Hammer/Trigger Pin Set

    AR-15 Nitride Fire Control Group Pin Set

    $2.69
    AR-15 Fire Control Group Pin/FCG Pin Set     Upgrade your AR-15 or M16 lower with our premium AR-15 Fire Control Group (FCG) Pin Set, engineered for superior fit, finish, and function. Whether you're assembling a new build or...
    $2.69