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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On Sale
2pcs Shim for .223 / 5.56 Free Float Barrel Nuts
Now: $0.89Was: $1.752pcs Timing Shims for .223 / 5.56 Free Float Barrel Nuts AR15 .223/5.56 Barrel Nut Shim. Barrel Nut Shims are a great compliment to any .223 Free Float Quad Rail . If your forend doesn’t have the ability to “time” the...Now: $0.89Was: $1.75 -
AR15 Silver Aluminum Ejection Port Dust Cover Assembly
$13.49AR-15 Silver Aluminum Ejection Port Dust Cover Assembly Add both form and function to your rifle with the AR-15 Silver Aluminum Ejection Port Dust Cover Assembly. Precision-engineered from high-quality materials and proudly made in...$13.49 -
AR15 Red Aluminum Ejection Port Dust Cover Assembly
$11.69AR15 Red Aluminum Ejection Port Dust Cover Assembly Add both form and function to your rifle with the AR-15 Red Aluminum Ejection Port Dust Cover Assembly. Precision-engineered from high-quality materials and proudly...$11.69 -
AR15 Blue Aluminum Ejection Port Dust Cover Assembly
$11.69AR15 Blue Aluminum Ejection Port Dust Cover Assembly Add both form and function to your rifle with the AR-15 Blue Aluminum Ejection Port Dust Cover Assembly. Precision-engineered from high-quality...$11.69 -
AR15 Gold Aluminum Ejection Port Dust Cover Assembly
$11.69AR15 Gold Aluminum Ejection Port Dust Cover Assembly Add both form and function to your rifle with the AR-15 Gold Aluminum Ejection Port Dust Cover Assembly. Precision-engineered from high-quality materials and proudly made in the...$11.69 -
AR15 Brown Aluminum Ejection Port Dust Cover Assembly
$11.69AR15 Brown Aluminum Ejection Port Dust Cover Assembly Add both form and function to your rifle with the AR-15 Brown Aluminum Ejection Port Dust Cover Assembly. Precision-engineered from high-quality materials and...$11.69 -
AR15 Tactical Charging Handle w Extended Latch Style 1
$17.09AR15 223/5.56 Tactical Charging Handle With Extended Latch Handle Style 1 Introducing our AR15 223/5.56 Tactical Charging Handle with Extended Latch Handle Style 1, designed to enhance the performance and reliability of your firearm...$17.09 -
AR15 Tactical Charging Handle w Extended Latch Style 2
$17.09AR15 Tactical Charging Handle With Extended Latch Handle Style 2 AR15 223/5.56 Tactical Charging Handle with Extended Latch Handle Style 2, meticulously crafted with precision and designed to meet and exceed...$17.09 -
AR15 Tactical Charging Handle w Extended Latch Style 3
$17.09AR15 223/5.56 Tactical Charging Handle With Extended Latch Handle Style 3 Product Description: AR15 223/5.56 Tactical Charging Handle With Extended Latch Handle Style 3 Upgrade your AR15 223/5.56 upper with our Tactical Charging...$17.09 -
On Sale
AT3 4X-6X Magnification Red Tail Rifle Scope with Mount Illuminated BDC Reticle
Now: $206.99Was: $328.99AT3™ Red Tail™ Rifle Scope with Mount – 1-4x or 1-6x Magnification – 5.56 Illuminated BDC Reticle- FREE SHIPPING! The Red Tail Rifle Scope with Mount – The Best...Now: $206.99Was: $328.99 -
AR15 Firing Pin
$7.19AR15 .223/5.56 Firing Pin Upgrade your AR15 with this premium .223/5.56 firing pin, engineered for reliability and long-term performance. Precision machined in the USA, this firing pin is a must-have for shooters who demand the best...$7.19 -
AR15 Extractor O-Ring 3 Pack
$0.90AR15 Mil Spec Extractor O-Ring Fits All Standard AR15 Sized Bolts Fits Over Extractor Spring to Increase Reliability Manufactured to Mil-Spec Dimensions 100% American Made 3 pack ...$0.90 -
AR-15 Aluminum 45 Offset Rapid Transition Flip Up Sights
$34.19AR-15 Aluminum 45 Offset Rapid Transition Flip Up Sights Upgrade your AR-15 with the ultimate in versatility and speed – the 45° Offset Rapid Transition Flip-Up Sights. Engineered for competitive shooters, tactical...$34.19 -
AR-15 6.5 Grendel Type II Nickel Boron Bolt Carrier Group
$161.09AR-15 6.5 Grendel Type II Nickel Boron Bolt Carrier Group-FREE SHIPPING! Nickel Boron Bolt Carrier Group 6.5 Grendel II Features: 6.5 Grendel II Nickel boron finish M16 cut Aircraft quality 8620 steel carrier 4130...$161.09 -
On Sale
Guntec AR15 Grey Micro Pistol Furniture Set
Now: $187.16Was: $229.99Guntec AR-15 Anodized Grey Micro Pistol Furniture Set-FREE SHIPPING Micro AR Pistol System: Micro Pistol System US Made T6 Aluminum Tube Length: 5.75″ Micro Flat Spring Micro 1...Now: $187.16Was: $229.99 -
Guntec AR15 Black Micro Pistol Furniture Set
$188.04AR15 Black Micro Pistol Furniture Set-FREE SHIPPING Micro AR Pistol System: Micro Pistol System US Made T6 Aluminum Tube Length: 5.75″ Micro Flat Spring Micro 1.4″ Buffer that weighs 1...$188.04 -
Odin Works Red XMR 3 Extended Magazine Release Button
$18.89Odin Works Red XMR 3 Extended Magazine Release Title: Odin Works Red XMR 3 Extended Magazine Release for AR-15: Enhanced Ergonomics and Quick Reloads Description: Upgrade your AR-15 with the Odin Works Red XMR 3 Extended...$18.89 -
Odin Works Silver XMR 3 Extended Magazine Release Button
$18.89Odin Works Silver XMR 3 Extended Magazine Release Button Title: Odin Works Silver XMR 3 Extended Magazine Release - Enhanced AR15 Firearm Control Description: Upgrade your AR15's functionality with the Odin...$18.89 -
Guntec 5.5" Rainbow PVD Tie Dye Custom Barrel
MSRP: $224.99$202.49Guntec 5.5" Rainbow PVD Tie Dye Barrel-FREE SHIPPING! Turn heads at the range with the Guntec 5.5" Rainbow PVD Tie Dye Barrel, designed for shooters who demand performance and eye-catching aesthetics in ultra-compact builds...MSRP: $224.99$202.49 -
7.62x39 7.5" Nitride Pistol Length Barrel
MSRP: $109.99$80.997.62x39 7.5" Nitride Pistol Length Heavy Barrel Introducing our premium 7.62x39 7.5" Nitride Pistol Length Heavy Barrel, meticulously crafted to elevate your AR-15 experience. Here’s why it stands out: Nickel Boron Barrel Extension:...MSRP: $109.99$80.99 -
On Sale
300 Blackout 7.5" Parkerized Pistol Length Barrel
Now: $65.69Was: $89.997.5" .300 Blackout Parkerized Pistol Length Heavy Barrel Weight 1.158000 Length 7.5 Profile Heavy Barrel Twist 1:8 Finish Parkerized Material 4150 Chrome Moly Vanadium Thread Pitch 5/8 x 24 Caliber .300...Now: $65.69Was: $89.99 -
TF AR15 Aluminum Lightweight Skeletonized Hand Siege Grip
MSRP: $34.99$24.26Trinity Force AR15 Aluminum Lightweight Skeletonized Hand Siege Grip Elevate your rifle’s performance and style with the Trinity Force AR-15 Aluminum Lightweight Skeletonized Hand Siege Grip. Designed for modern shooters,...MSRP: $34.99$24.26 -
AR15 Collapsible Stock Recoil Rubber Pad
$6.29AR-15 Collapsible Stock Rubber Buttpad Upgrade your AR-15 shooting experience with the Collapsible Stock Rubber Buttpad, engineered for performance, comfort, and improved weapon control. This high-quality rubber buttpad is designed...$6.29 -
Trinity Force Stocks Rubber Butt Pad
$7.19Trinity Force Stocks Rubber Butt Pad Upgrade your shooting experience with the Trinity Force Rubber Butt Pad, designed specifically for enhanced recoil absorption and shooting stability. Compatible with multiple Trinity Force stock...$7.19 -
.936 Low Profile Set Screw Gas Block
$13.46.936 Low Profile Gas Block .936 Low Profile Set Screw Gas Block, meticulously crafted with precision engineering to enhance the performance of your AR-15 and AR-10 barrels. Below, we've outlined the key features that make this gas...$13.46 -
Trinity Force AR-15 Billet KeyMod Hand Stop
MSRP: $14.99$13.49AR-15 Billet KeyMod Hand Stop Enhance your AR-15's ergonomics and precision with our AR-15 Billet KeyMod Hand Stop. Expertly machined from aircraft-grade aluminum, this compact and durable hand stop is designed to provide superior...MSRP: $14.99$13.49 -
AR-15 180° Sling End Plate
MSRP: $14.99$10.79AR-15 180° Sling End Plate-Sliding Attachment Point Upgrade your AR-15 with the ultimate in sling versatility and rugged durability. The AR-15 180° Sling End Plate features a sliding attachment point, offering rapid...MSRP: $14.99$10.79 -
AR Platform 4 Piece Bolt Catch Kit
MSRP: $13.99$8.99AR Platform 4 Piece Bolt Catch Kit Upgrade or replace your AR platform bolt catch components with this durable and reliable 4-Piece Bolt Catch Kit, designed for compatibility with most AR-15 and .308 platform rifles. Whether...MSRP: $13.99$8.99 -
AR-15 Pistol Buffer Tube Kit w/ Mil Spec End Plate
$26.99AR-15 Mil Spec Pistol Buffer Tube Kit Pistol Buffer Tube. 7.3" Length. 1.25" OD Castle Nut Buffer Spring Mil Spec End Plate 3 oz Recoil Buffer Spring:Industrial Grade SteelHeat TreatedSolid Machined ConstructionBuffer Spring For Mil Spec And...$26.99 -
AR-15 9.3" Black Round Buffer Tube
$22.28AR-15 9.3" Black Round Buffer Tube Description: Upgrade your AR-15 pistol build with our precision-crafted AR-15 9.3" Black Round Buffer Tube, designed to provide enhanced stability and compatibility with SB-15/SBX pistol...$22.28 -
AR-15 7" Black Anodized Type lll Pistol Buffer Tube
$17.09AR-15 7" Black Anodized Type lll Pistol Buffer Tube AR-15 7" Black Anodized Type III Pistol Buffer Tube - Your Ultimate Solution for AR-15 Pistol Conversions! Upgrade your AR-15 pistol with our fixed position Mil-Spec Pistol buffer...$17.09 -
AR-15 Purple 16" .300 Blackout Complete Upper
MSRP: $419.99$349.19AR-15 Purple 16" .300 Blackout Complete Upper-FREE SHIPPING Unlock the perfect blend of bold aesthetics and dependable performance with the A1Armory AR-15 Purple 16" .300 Blackout Complete Upper. Designed for shooters who...MSRP: $419.99$349.19 -
Timber Creek 15" Blue Ultralight Enforcer Hand Guard
MSRP: $259.99$170.99Timber Creek 15" Blue Ultralight Enforcer Hand Guard-FREE SHIPPING Enhance your AR-15 build with the Timber Creek BLUE Ultralight Enforcer 15" Handguard, engineered for shooters who demand high performance, cutting-edge aesthetics,...MSRP: $259.99$170.99 -
M16 5.56 Nickel Boron Bolt Carrier Group
$125.99M16 Nickel Boron Bolt Carrier Group -FREE SHIPPING! Description: Elevate your firearm build with White Label's meticulously crafted M16 Nickel Boron Bolt Carrier Group (BCG). Engineered with precision, every aspect of...$125.99 -
5.56 7.5" M4 Pistol Side Charging Complete Upper Assembly
MSRP: $309.99$236.695.56 7.5" M4 Pistol Side Charging Complete Upper Assembly-FREE SHIPPING Elevate your AR-15 build with our 5.56 7.5" M4 Pistol Side Charging Complete Upper Assembly—engineered for precision, reliability, and tactical superiority...MSRP: $309.99$236.69 -
AR-15 5.56 Nato 7.5" Stormtrooper White Gradient Pistol Upper
MSRP: $439.99$350.99AR-15 5.56 Nato 7.5" Stormtrooper White Gradient Pistol Upper-FREE SHIPPING Bring bold styling and tactical performance together with the AR-15 7.5" Stormtrooper White Gradient Pistol Upper. Designed for shooters who want to stand out...MSRP: $439.99$350.99 -
XTS HD-4 – Dual Illumination Dot Sight
MSRP: $82.99$74.69XTS HD-4 – Dual Illumination Dot Sight Enhance your shooting precision and speed with the XTS HD-4, a high-performance dual illumination dot sight engineered for versatility and reliability. Whether you’re at the range, in...MSRP: $82.99$74.69 -
XTS HD-38 – Dual Illumination Dot Sight
MSRP: $69.99$62.99XTS HD-38 – Dual Illumination Dot Sight Upgrade your shooting accuracy and speed with the XTS HD-38, a high-performance dual illumination dot sight designed for precision, versatility, and durability. Proudly MADE IN THE USA, this...MSRP: $69.99$62.99 -
AR-15 OD Green Slick Side Upper Billet Upper Receiver
$107.99AT3 AR15 OD Green Slick Side Upper Billet Upper Receiver- FREE SHIPPING! Machined from billet aluminum, this unique slick-side upper receiver has no forward assist, includes a dust cover, and matches perfectly with AT3’s SPEAR...$107.99 -
On Sale
AR-15 Stealth Grey Slick Side Upper Billet Upper Receiver
Now: $107.99Was: $157.99AT3 Stealth Grey Slick Side Upper Billet Upper Receiver for AR-15 -FREE SHIPPING! Machined from billet aluminum, this unique slick-side upper receiver has no forward assist, includes a dust cover, and matches perfectly with AT3’s...Now: $107.99Was: $157.99
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.