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.

  • A1Armory AR-15 Trigger Spring 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
  • On Sale
    Guntec AR-15 flat dark earth Essentials Furniture Kit

    Guntec AR-15 Flat Dark Earth Essentials Kit

    Now: $223.16
    Was: $279.95
    Guntec AR-15 Flat Dark Earth Essentials Kit- FREE SHIPPING     Essentials AR-15 Flat Dark Earth Kit Includes: Flat Dark Earth Gen 3 Gate Flat Dark Earth Mil-Spec Buffer Tube Complete Assembly Flat Dark Earth 5.56...
    Now: $223.16
    Was: $279.95
  • A1Armory AR15 Fire Control Group FCG lower parts kit

    A1Armory AR-15 Fire Control Group FCG

    $26.99
    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...
    $26.99
  • 10-AR-15 Nitride Buffer Retaining Pin 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
  • A1Armory Skeletonized Black Pistol Grip A1Armory Skeletonized Black Pistol Grip

    Presma Skeletonized Black Pistol Grip

    $35.99
    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...
    $35.99
  • On Sale
    A1Armory AR-15 Black Pistol Length Gas Tube With Roll Pin A1Armory AR-15 Black Pistol Length Gas Tube With Roll Pin

    Black Nitride Pistol Length Gas Tube With Roll Pin

    Now: $9.90
    Was: $12.99
    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 construction Mil-Spec...
    Now: $9.90
    Was: $12.99
  • AR15 MIL SPEC SPRING KIT WITH TRIGGER SPRING, HAMMER SPRING, FROM A1ARMORY

    A1Armory Mil-Spec Lower Parts Spring Kit

    $4.28
    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...
    $4.28
  • A1armory AR-15 Fire Control Group Hammer/Trigger Pin Set

    AR-15 Nitride Fire Control Group Pin Set

    $2.48
    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...
    $2.48
  • AR Platform Hammer Spring 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 A1armory AR15 Disconnector

    AR10 / AR15 Disconnector

    $4.28
    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...
    $4.28
  • A1armory AR15 Takedown Pivot Pin Detent Set-www.A1Armory.com

    A1armory AR15 Takedown/Pivot Pin Detent Set

    $1.79
    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...
    $1.79
  • 100 Bulk Wholesale AR15 Magazine Catch Spring

    100 Quantity AR15 Magazine Catch Springs

    $31.49
    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...
    $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 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

    $4.28
    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...
    $4.28
  • On Sale
    AR15 PARTIAL LOWER PARTS KIT WITH NO TRIGGER GUARD OR MAGAZINE CATCH

    WLA AR-15 FCG Lower Parts Kit

    Now: $40.49
    Was: $54.99
    WLA AR-15 FCG Lower Parts Kit     Our lower parts kits contain all high quality, 100% USA produced components, manufactured to our exacting standards.  Each kit is guaranteed to fit your mil-spec dimension lower receiver.  We don't...
    Now: $40.49
    Was: $54.99
  • On Sale
    BCA AR15 9.75" CARBINE GAS LENGTH TUBE

    BCA Carbine Length Gas Tube

    Now: $8.99
    Was: $13.50
    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...
    Now: $8.99
    Was: $13.50
  • AR15 Flat Dark Earth Bolt Carrier Group 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 White Label Armory AR15 BCG Bolt Carrier Group - 5.56.223 PVD Blue

    AR15 5.56 Blue PVD Bolt Carrier Group

    $125.09
    AR15 5.56/.223 Blue PVD BCG Bolt Carrier Group - FREE SHIPPING       Description: Elevate your AR15's performance with our top-of-the-line 5.56/.223 Blue PVD BCG Bolt Carrier Group. Crafted with precision and using the finest...
    $125.09
  • Timber Creek Black Takedown Pin Sets Timber Creek Black Takedown Pin Sets

    Timber Creek Outdoors AR15 Black Takedown Pin Set

    $17.09
    Timber Creek Outdoors Black Takedown Pin Sets       Product Description: Elevate your firearm's performance with the Timber Creek Black Extended Takedown Pin Set, a meticulously engineered upgrade designed to enhance both functionality...
    $17.09
  • Timber Creek Black Extended Mag Release 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, 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
  • On Sale
    A1A .2235.56300BLK  M16 Nickel Boron Bolt Carrier Group Complete Assembly upper parts A1Armory .223/5.56/300 BLK  M16 Nickel Boron Bolt Carrier Group Complete Assembly ar15 upper part

    A1A .223/5.56/300BLK Nickel Boron Bolt Carrier Group

    Now: $110.69
    Was: $145.99
    A1Armory .223/5.56/300BLK  M16 Nickel Boron Bolt Carrier Group Complete Assembly FREE SHIPPING!       Title: A1Armory .223/5.56/300BLK M16 Nickel Boron Bolt Carrier Group - Premium Firearm Performance Description: Enhance...
    Now: $110.69
    Was: $145.99
  • 2 AR15 Knurled Gas Block Set Screws 2 AR15 Knurled Gas Block Set Screws

    2 Knurled Gas Block Set Screw

    $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...
    $1.70
  • AR15 1/2in  Black Crush Washer AR15 12in stainless steel 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

    $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...
    $0.89
  • AR15 Extended Takedown & Pivot Pin Set AR15 Extended Takedown & Pivot Pin Set

    AR15 Takedown & Pivot Extended Pin Set

    $14.39
    AR15 Extended Takedown & Pivot Pin Set     AR15 Extended Takedown & Pivot Pin Set, a must-have upgrade for your AR-15 platform, meticulously designed to enhance functionality and streamline firearm maintenance. Here are the key features...
    $14.39