AR-15 Parts

AR-15 Parts

Welcome to A1armory.com the ultimate destination for AR-15 Parts platform enthusiasts and firearm lovers! Our AR-15 Parts are your one-stop shop for everything you need to build, customize, and enhance your AR platform rifle. We have an extensive selection of high-quality AR-15 parts and accessories to suit your needs at low cost with the best customer service.

  • 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
  • Presma 31 Piece AR-15 Lower Parts Kit With FCG.

    Presma 31 Piece AR-15 Lower Parts Kit With FCG

    MSRP: $57.99
    $39.59
    Presma 31 Piece AR-15 Lower Parts Kit With FCG                     Build with confidence using the Presma 31 Piece AR-15 Lower Parts Kit—a comprehensive, high-quality set that includes...
    MSRP: $57.99
    $39.59
  • Presma 28 Piece AR-15 Lower Parts Kit .223/5.56

    Presma 28 Piece AR-15 Lower Parts Kit .223/5.56

    MSRP: $44.99
    $31.49
    Presma 28 Piece AR-15 Lower Parts Kit [without FCG]       Upgrade your AR-15 build with the Presma 28 Piece Lower Parts Kit, a high-performance component set designed for reliability, customization, and precision. This...
    MSRP: $44.99
    $31.49
  • A1Armory Skeletonized Black Pistol Grip

    Presma Skeletonized Black Pistol Grip

    MSRP: $49.99
    $35.99
    A1Armory Skeletonized Black Pistol Grip       Lightweight. Rugged. American-Made. Upgrade your AR platform with the A1Armory Skeletonized Black Pistol Grip—a sleek, precision-engineered component that blends ultra-lightweight design...
    MSRP: $49.99
    $35.99
  • A1Armory AR-15 Black Pistol Length Gas Tube With Roll Pin

    Black Nitride Pistol Length Gas Tube With Roll Pin

    MSRP: $15.99
    $11.69
    A1Armory AR-15 Black Pistol Length Gas Tube With Roll Pin      This is our Mil-Spec Pistol Length Gas tube, made in the U.S.A. Provides optimal heat and corrosion resistance and consistent gas flow. Length: 6.75" Steel...
    MSRP: $15.99
    $11.69
  • 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
  • AR Platform Hammer Spring

    A1armory AR15 Hammer Spring

    $1.79
    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,...
    $1.79
  • AR-15 mil spec DISCONNECT lower trigger parts-www.A1Armory.com

    AR10 / AR15 Disconnector

    MSRP: $5.25
    $4.04
    AR-15 Disconnector       Upgrade your AR-15 or AR-10 platform with the A1Armory AR-15 Disconnector — engineered for precision, durability, and smooth operation. Whether you're building a new rifle or replacing a worn...
    MSRP: $5.25
    $4.04
  • A1armory AR15 Takedown Pivot Pin Detent Set-www.A1Armory.com

    A1armory AR15 Takedown/Pivot Pin Detent Set

    MSRP: $1.99
    $1.79
    AR-15 Pivot Pin & Takedown Pin Detents       Perfect for replacing lost parts or preparing for future builds, these AR-15 Pivot Pin & Takedown Pin Detents are a must-have for any serious gunsmith, armorer, or enthusiast...
    MSRP: $1.99
    $1.79
  • AR15 Takedown/Pivot Springs & Detents Set

    AR15 Takedown/Pivot Springs & Detents Set

    MSRP: $6.99
    $2.69
    AR-15 Takedown / Pivot springs & Detent Pins       Ensure the reliable function of your AR-15’s takedown and pivot pins with this high-quality Mil-Spec Takedown / Pivot Springs & Detent Pin Set. Perfect for builders,...
    MSRP: $6.99
    $2.69
  • 100 Bulk Wholesale AR15 Magazine Catch Spring

    100 Quantity AR15 Magazine Catch Springs

    $31.49
    100 Bulk Wholesale AR15 Magazine Catch Spring       For gunsmiths, builders, and retailers who demand top-tier reliability and performance, this bulk pack of 100 AR-15 Magazine Catch Springs delivers unmatched value and consistency...
    $31.49
  • 10 Pack AR-15 Buffer Retaining Spring

    10 Pack AR-15 Buffer Retaining Spring

    $3.83
    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...
    $3.83
  • ar15 bolt catch detent spring lower part

    10 Pack AR15 Bolt Catch Springs

    $6.98
    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                
    $6.98
  • AR15 BOLT CATCH ROLL PIN lower rifle parts for bolt catch assembly

    10 Pack AR15 Bolt Catch Roll Pins

    $5.39
    AR-15 Bolt Catch Roll Pin 10 Pack     Upgrade or maintain your AR-15 with confidence using this high-quality 10-pack of AR-15 Bolt Catch Roll Pins. Whether you're building a rifle from the ground up or replacing worn parts, these pins ensure...
    $5.39
  • On Sale
    Timber Creek Black AR-15 Enforcer Skeletonized Pistol Grip-

    Timber Creek Outdoors AR-15 Black Enforcer Skeletonized Pistol Grips

    MSRP: $99.99
    Now: $71.09
    Was: $84.99
    Timber Creek Outdoors Black AR-15 Enforcer Skeletonized Pistol Grip-        Bring precision, comfort, and cutting-edge design to your AR-15 with the Timber Creek Outdoors Black Enforcer Skeletonized Pistol Grip. This...
    MSRP: $99.99
    Now: $71.09
    Was: $84.99
  • AR15 PARTIAL LOWER PARTS KIT WITH NO TRIGGER GUARD OR MAGAZINE CATCH

    AR-15 Lower Parts Kit with FCG

    MSRP: $59.99
    $49.49
    AR-15 FCG Lower Parts Kit     Our AR-15 FCG Lower Parts Kit is designed specifically for pistol caliber builds, crafted with precision and pride right here in the USA. Whether you're upgrading or assembling a new lower, this kit delivers...
    MSRP: $59.99
    $49.49
  • BCA AR15 9.75" CARBINE GAS LENGTH TUBE

    BCA Carbine Length Gas Tube

    MSRP: $14.99
    $9.89
    BCA 9.75" Carbine Length Gas Tube     The Bear Creek Arsenal Stainless Steel gas tube is an excellent option to get your new rifle up and running. The corrosion resistant stainless steel construction ensures a life time of service. Each gas...
    MSRP: $14.99
    $9.89
  • AR15 Flat Dark Earth Bolt Carrier Group

    WLA AR15 Flat Dark Earth Bolt Carrier Group

    $119.69
    AR15 Flat Dark Earth 5.56/.223 Bolt Carrier Group-FREE SHIPPING       Description: Upgrade your AR15 with our premium Flat Dark Earth 5.56/.223 Bolt Carrier Group, meticulously engineered for optimal performance and durability...
    $119.69
  • White Label Armory AR15 BCG Bolt Carrier Group - 5.56.223 PVD Blue

    AR15 5.56 Blue PVD Bolt Carrier Group

    MSRP: $149.99
    $121.49
    AR-15 5.56/.223 Blue PVD BCG Bolt Carrier Group - FREE SHIPPING       Upgrade your AR-15 with precision and performance you can count on. The Blue PVD BCG Bolt Carrier Group for 5.56/.223 is engineered for shooters who demand...
    MSRP: $149.99
    $121.49
  • White Label Armory M16  AR15 BCG Bolt Carrier Group

    White Label Armory M16 / AR15 BCG Bolt Carrier Group - 5.56/.223

    $121.49
    White Label Armory AR-15 5.56/.223 Bolt Carrier Group-FREE SHIPPING     White Label Armory M16 / AR15 BCG bolt carrier group is the perfect BCG for your next build. 100% USA Made.  8620 M16 style carrier H&M Black Nitride...
    $121.49
  • Timber Creek Black Takedown Pin Sets

    Timber Creek Outdoors AR15 Black Takedown Pin Set

    MSRP: $19.99
    $16.19
    Timber Creek Outdoors Black Takedown Pin Sets       Upgrade your AR-platform rifle with the Timber Creek Outdoors Black Takedown Pin Set, engineered for enhanced function and sleek aesthetics. Whether you’re customizing a...
    MSRP: $19.99
    $16.19
  • timber creek robins egg blue ambi safety selector anodized colors for custom rifle builds

    Timber Creek Robins Egg Blue Ambi Safety Selector

    $35.99
    Timber Creek Robins Egg Blue Ambidextrous Safety Selector       Add function and flair to your AR-15 or AR-10 build with the Timber Creek Outdoors Robin's Egg Blue Ambidextrous Safety Selector. Engineered for precision and...
    $35.99
  • Timber Creek AR-15 Black Oversized Trigger Guard

    Timber Creek Black AR15 Oversized Trigger Guard

    $21.59
    Timber Creek AR-15 Black Oversized Trigger Guard         Enhance your AR-15 with the Timber Creek Outdoors Black Oversized Trigger Guard Mount, engineered for superior function, comfort, and tactical reliability...
    $21.59
  • 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
  • On Sale
    A1armory bolt carrier group, black bcg,

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

    Now: $70.19
    Was: $109.99
    A1Armory 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...
    Now: $70.19
    Was: $109.99
  • A1A .2235.56300BLK  M16 Nickel Boron Bolt Carrier Group Complete Assembly upper parts

    AR-15 .223/5.56/300BLK Nickel Boron Bolt Carrier Group

    $121.49
    AR-15 .223/5.56/300BLK  M16 Nickel Boron Bolt Carrier Group-FREE SHIPPING!       Upgrade your rifle with the A1Armory .223/5.56/300BLK M16 Nickel Boron Bolt Carrier Group, designed for peak reliability, smoother...
    $121.49
  • 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-15.308 Black Mil Spec A2 Pistol Grip

    AR-15 A2 Mil Spec Textured Grip

    MSRP: $8.99
    $4.49
    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: $8.99
    $4.49
  • 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