AR-15 Upper Parts
Welcome to A1armorys comprehensive collection of AR15 Upper Parts, Crafted with the utmost attention to detail, every upper part in this category has been carefully curated to elevate your rifle's functionality and reliability to new heights. Our selection includes a variety of upper receivers, from stripped to complete options, allowing you to customize your build according to your preferences and specifications.
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Odin Works .223 Wylde 18" 3-gun Intermediate Barrel
$320.15Odin Works .223 Wylde 18" 3-gun Intermediate Barrel- FREE SHIPPING! The Odin Works .223 Wylde 18" 3-gun Intermediate Barrel is a high-quality barrel engineered for exceptional accuracy and reliability in...$320.15 -
Odin Works .223 Wylde 16.1" Intermediate Barrel
$321.99Odin Works .223 Wylde 16.1" Intermediate Barrel W Free Adjustable Gas Block-FREE SHIPPING! Experience the ultimate in accuracy and adaptability with the Odin Works .223 Wylde 16.1" Intermediate Barrel. This exceptional barrel is...$321.99 -
Phase5 AR-15 Chrome Lined Complete Bolt Carrier Group
$137.07Phase5 AR-15 Chrome Lined Complete Bolt Carrier Group-FREE SHIPPING! Phase 5’s Mil-spec AR-15 bolt carrier features a heat treated and chrome lined inner with a black phosphate coating. The complete bolt carrier group includes cam...$137.07 -
On Sale
Phase5 M16 / M4 Chrome Lined Complete Bolt Carrier Group
Now: $147.19Was: $165.00M16/M4 Chrome Lined Black Phosphate Bolt Carrier Group-FREE SHIPPING! Phase 5’s Mil-spec M-16 / M4 bolt carrier features a heat treated and chrome lined inner with a black phosphate coating. The complete bolt carrier group includes...Now: $147.19Was: $165.00 -
10 Pack AR15 Forward Assist Springs
$5.5110-AR15 / AR10 Lower Parts - Forward Assist Springs Title: "Premium 10-Pack AR15/AR10 Lower Parts - Forward Assist Springs" Product Description: Upgrade your firearm's performance with our premium 10-Pack AR15/AR10 Lower Parts -...$5.51 -
AR15/AR10 Gas Key Screw
$1.83AR-15 Gas Key Screw Title: Precision-Engineered AR-15 Gas Key Screw - Enhance Your Firearm's Performance Description: Upgrade your AR-15, M16, or AR-10 with our top-of-the-line Gas Key Screw, meticulously designed for...$1.83 -
10 Pack AR-15 Ejector Roll Pins
$5.97A1Armory 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...$5.97 -
10 Pack AR-15 Mil-Spec Extractor Springs
$8.2710 Pack AR-15 Mil Spec Extractor Springs Mil-Spec Fits any standard AR-15 / M16 bolt Standard power MADE IN USA ...$8.27 -
Black Nitride Pistol Length Gas Tube With Roll Pin
MSRP: $15.99$11.95A1Armory 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$11.95 -
BCA Carbine Length Gas Tube
MSRP: $14.99$10.11BCA 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$10.11 -
WLA AR15 Flat Dark Earth Bolt Carrier Group
MSRP: $229.99$165.59AR15 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...MSRP: $229.99$165.59 -
White Label Armory M16 / AR15 BCG Bolt Carrier Group - 5.56/.223
$124.19White 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...$124.19 -
AR-15 Nitride Bolt Carrier Group 5.56/.223/.300
$78.19AR-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...$78.19 -
2 Knurled Gas Block Set Screw
MSRP: $2.99$1.742 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$1.74 -
AR15 1/2in Black Crush Washer
$1.831/2in 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...$1.83