Geissele Automatics Super Duty MOD1 Complete Upper 5.56 14.5 P&W Barrel

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Geissele Automatics Super Duty MOD1 Complete Upper 5.56 14.5 P&W Barrel - Upper Receiver for AR-15 - view 1
Geissele Automatics Super Duty MOD1 Complete Upper 5.56 14.5 P&W Barrel - Upper Receiver for AR-15 - view 2
Geissele Automatics Super Duty MOD1 Complete Upper 5.56 14.5 P&W Barrel - Upper Receiver for AR-15 - view 3
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Geissele

Overview

The Geissele Automatics Super Duty MOD1 Complete Upper is a fully assembled upper receiver designed for the AR-15 platform, featuring a 14.5-inch barrel chambered in 5.56 NATO. With a 1:7 twist rate, this upper is optimized for stabilizing a variety of bullet weights, ensuring reliable accuracy and performance. This complete upper is commonly utilized in builds focused on the 5.56 NATO caliber, making it a robust choice for a versatile firearm setup.

Specifications

MPN08-547B
PlatformAR-15
Twist Rate1:7
Barrel Length14.5
AssemblyComplete
Caliber5.56 NATO
ColorBlack
Receiver TypeA4

Available Merchants(5)

Prices checked

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Primary Arms logo
Primary Arms
Free shipping
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In Stock
$1,325.00
KY Gun Company logo
KY Gun Company
Flat rate shipping
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Out of Stock
$1,201.99
Optics Planet logo
Optics Planet
Free shipping
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Out of Stock
$1,258.75
BattleHawk Armory logo
BattleHawk Armory
Shipping varies
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Out of Stock
$1,285.20
Brownells logo
Brownells
Free shipping
Shipping Speed
Out of Stock
$1,325.00

October 2026 on GunPartPicker

Geissele Automatics Super Duty MOD1 Complete Upper 5.56 14.5 P&W Barrel ranked #124 of the 844 upper receivers builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #82 of the 2,050 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in 5.56 NATO, nearly all on rifle-length gas, and nearly all AR-15.

It was hard to find in October 2026, in stock on only 1 of the 19 days we checked, and today only Primary Arms has it in stock. Prices barely moved in October 2026, holding around $1,325, with no real sale all month. Buying today, the lowest price is $1,325 at Primary Arms.

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Builds Featuring This Part

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Builds in the community that include the Geissele Automatics Super Duty MOD1 Complete Upper 5.56 14.5 P&W Barrel

BuildPartsTotal
LMT 26" 5.56 build
LMT 26" 5.56
37$18813.84

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