AR-15 Parts
Welcome to A1Armory.com! The top choice for deals on AR-15 parts, kits, accessories and more. All discounted priced and backed by outstanding customer service. Made in America with warranties!
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Timber Creek Black Extended Mag Release
$17.99Timber 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 -
AR-15 Nitride Bolt Carrier Group 5.56/.223/.300
$76.49AR-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 inspected, this...$76.49 -
2 Knurled Gas Block Set Screw
MSRP: $2.99$1.702 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
$1.791/2in 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 Pistol Grip Bolt/Star Lock Washer
MSRP: $1.99$0.89AR-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 Takedown & Pivot Extended Pin Set
MSRP: $19.99$14.39AR-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 -
AR-15 Mil Spec Single Stage Trigger
$11.24AR-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 Medium Strength Threadlocker
$2.48Vibra-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 -
AR15 Accu Wedge 5 Pack
$9.00A1Armory 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 A2 Mil Spec Textured Grip
MSRP: $7.99$4.64AR-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: $7.99$4.64 -
On Sale
AR15 Trigger Guard Kit
Now: $0.89Was: $3.50AR15 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: $0.89Was: $3.50 -
AR-15 Billet Aluminum Trigger Guard Kit
$8.09AR-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 -
AR15 Magazine Catch Kit
$6.29AR-15 Magazine Catch Kit Upgrade your AR-15 with our precision-crafted AR-15 Magazine Catch Kit, engineered for durability, seamless functionality, and mil-spec compatibility. Whether you're building a rifle or replacing...$6.29 -
AR15 Pin and Detent Kit
MSRP: $19.99$13.28AR-15 Phosphate Pin and Detent Kit Upgrade your rifle build with our AR-15 Phosphate Pin and Detent Kit, expertly engineered and proudly manufactured in the USA. Whether you're building from the ground up or need a...MSRP: $19.99$13.28 -
A1Armory AR15 Lost Parts Kit
$15.26AR-15 Lost Parts Kit Never let a lost detent or spring stall your AR-15 build again. The A1Armory AR-15 Lost Parts Kit is a must-have collection of the most commonly misplaced lower receiver components. Crafted to mil-spec standards...$15.26 -
AR10 / AR15 Pivot & Takedown Pin Spring Set
MSRP: $1.99$1.13AR-15 Lower Parts - Pivot & Takedown Pin Spring Set Upgrade your AR platform with our Pivot & Takedown Pin Spring Set, designed for precision fit, long-lasting performance, and seamless compatibility across M16, AR-15, and...MSRP: $1.99$1.13
AR-15 Parts – Build, Customize & Maintain Your Rifle
At A1Armory.com, we carry a full selection of high-quality AR-15 parts designed for shooters who demand reliability, performance, and customization options. Whether you’re building your first AR from the ground up, upgrading components for improved handling, or replacing worn parts, we provide everything you need in one place.
Why Choose Our AR-15 Parts?
✅ Wide Selection – From barrels, triggers, handguards, and stocks to small pins, springs, and buffer assemblies, we stock all the essential AR-15 components.
✅ Premium Materials – Every part is crafted from durable materials like 4150 Chrome Moly Vanadium steel, 7075-T6 aluminum, and stainless steel to ensure strength and long service life.
✅ Cerakote & Anodized Colors – Personalize your rifle with a variety of Cerakote finishes and anodized colors including Flat Dark Earth (FDE), Burnt Bronze, Zombie Green, and more.
✅ Made in the USA Options – We proudly carry parts manufactured in the United States, built to meet strict Mil-Spec standards.
✅ Affordable & Trusted – Competitive pricing backed by our small, family-owned business ethos means you get dependable parts with unmatched service.
Build It Your Way
Whether you want a precision long-range rifle, a lightweight competition build, or a tactical carbine, our parts catalog gives you the freedom to customize your AR-15 exactly how you want it. From complete upper and lower assemblies to individual components, we ensure compatibility, performance, and trusted quality in every piece we sell.