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Why customers choose this item
✓14.5 inch pinned barrel
✓5.56 NATO chambering
✓M-LOK free float handguard
✓Includes bolt carrier group
✓Includes charging handle
✓Fits AR-15 platform
Product highlights
Complete AR-15 upper receiver chambered in 5.56 NATO for rifle builds
14.5 inch cold hammer forged barrel pinned to 16 inch overall length
M-LOK free float handguard supports modular accessory attachment and improved control
Includes Geissele Airborne charging handle for dependable manipulation during operation
Nanoweapon coated bolt carrier group improves wear resistance and operational reliability
Anodized black finish with installed HuxWrx flash hider QD muzzle device
Product description
The Geissele Automatics Super Duty MOD1 Complete Upper Receiver is a complete upper receiver designed for AR-15 platform rifle assembly and operation.
This complete upper receiver is chambered in 5.56 NATO and uses a 14.5 inch cold hammer forged barrel pinned to 16 inch overall length. It features an M-LOK free float handguard and includes a Geissele Airborne charging handle and a Nanoweapon reliability enhanced bolt carrier group. The anodized black finish defines the external surface. This model fits AR-15 pattern lowers and is categorized as a complete upper receiver assembly. In standard configurations, it installs directly onto compatible lower receivers for range use. The Geissele Automatics Super Duty MOD1 Complete Upper Receiver includes a HUXWRX Flash Hider-QD muzzle device and maintains a fixed barrel configuration for consistent integration.
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