Uppers form the top half of a rifle and house key components such as the barrel, handguard, and bolt carrier group interface. They are used to complete a rifle build, replace worn parts, or change caliber, barrel length, or overall configuration. A complete upper can make upgrades faster and more convenient by combining several major components into one assembly. This category includes uppers built for fit, function, and dependable performance on compatible platforms.
Products List
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BATTLEARMS AUTHORITY ELITE AR15/M4 7.5" 300BLK Complete Billet Upper Receiver
$1,099.99Turn your build into a high-performance short-barrel 300 AAC Blackout (300BLK) rifle with this complete billet upper receiver assembly — including a precision 7.5" barrel, full-auto rated BCG, and the RACK-15 ambidextrous charging handle. Built... -
BATTLEARMS WORKHORSE AR15/M4 Forged Upper Receiver — OD Green Anodize
$120.00Forged 7075-T6 upper receiver with MIL-A-8625F Type III OD Green hard anodize — service-grade strength, optics-ready, and built for repeatable alignment with Mil-Spec components. Key Features Forged from 7075-T6 aircraft-grade aluminum for proven... -
BATTLEARMS AUTHORITY ELITE AR15/M4 Lightweight 7075-T6 Billet Upper Receiver
$259.95Lightweight 7075-T6 billet AR15/M4 upper — precision machined, optics-ready, and built for durability and drop-in compatibility with Mil-Spec components. Key Features Forged & CNC machined from aerospace-grade 7075-T6 aluminum Lightweight,... -
BATTLEARMS XIPHOS AR9 LIGHTWEIGHT 9MM Dedicated PCC Upper Receiver — 7075-T6
$259.95Dedicated 9mm PCC upper built from 7075-T6 — lightweight, robust, and optimized for reliability with common 9mm blowback bolt carrier groups and PCC magazines. Key Features Forged & CNC machined from aerospace-grade 7075-T6... -
BATTLEARMS AUTHORITY ELITE AMBI SET — Ambidextrous Billet Lower Receiver
$599.00Authority Ambidextrous Lightweight Billet Lower Receiver — 7075-T6 aircraft-grade aluminum Specifications Precision CNC from billet 7075-T6 aerospace aluminum Patent-pending lightweight design MIL-A-8625F, Type III, Class 2 hard-anodized black... -
RACK Charging Handle AR15
$99.00The RACK™ Ambidextrous Charging Handle was developed by BATTLEARMS® to be the finest charging handle ever produced! It is the toughest available for the AR-15, AR-10 and 9mm AR PCC platforms. The RACK™ charging handle is simplicity at its... -
RACK Charging Handle AR15 Mod C
$99.00The RACK™ Ambidextrous Charging Handle was developed by BATTLEARMS® to be the finest charging handle ever produced! It is the toughest available for the AR-15, AR-10 and 9mm AR PCC platforms. The RACK™ charging handle is simplicity at its... -
AR10/LR308 - Ejection Port Cover Pin
$3.50The machined steel Ejection Port Cover Rod is the hinge pin that keeps the Ejection Port Cover in place. Unlike the AR15 version, it needs no c-clip. -
AR10/LR308 Ejection Port Cover Door
$9.00.308 ejection port door to build out your stripped .308 upper. Works with .308 upper receivers Door Constructed from Stamped Steel Mil-Spec Heavy Phosphate Coating Weight: .53oz -
AR15/M16 - Ejection Port C-Clip
$1.00AR15/M16 - Ejection Port C Clip These high quality components will provide excellent fit and reliable function in your AR series rifle and are perfect for upgrading existing components or replacing worn or broken parts. -
AR15/M16 - Ejection Port Cover Spring
$1.00AR15/M16 - Ejection Port Cover Spring These high quality components will provide excellent fit and reliable function in your AR series rifle and are perfect for upgrading existing components or replacing worn or broken parts. -
AR15/M16 - Ejection Port Cover Door
$6.00AR15/M16 - Ejection Port Cover Door - No Clip,Pin or Spring These high quality components will provide excellent fit and reliable function in your AR series rifle and are perfect for upgrading existing components or replacing worn or broken parts.
