Geissele Automatics Super Duty Mod 1 16" Upper 5.56x45mm 1:7 M-LOK Rail with BCG and CH, Desert Dirt - Precision Build - 08-548S
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Overview
The Geissele Automatics Super Duty Mod 1 Upper Receiver is a complete assembly designed for the AR-15 platform, featuring a 16-inch barrel chambered in 5.56 NATO with a mid-length gas system. Its 1:7 twist rate ensures optimal stabilization for a wide range of bullet weights, making it versatile for various shooting applications. This upper commonly appears in precision builds where reliability and accuracy are essential, allowing builders to create a robust and effective firearm.
Specifications
Geissele Automatics Super Duty Mod 1 16" Upper 5.56x45mm 1:7 M-LOK Rail with BCG and CH, Desert Dirt - Precision Build - 08-548S
Available Merchants(6)
Prices checked
Price Alert
October 2026 on GunPartPicker
Geissele Automatics Super Duty Mod 1 16" Upper 5.56x45mm 1:7 M-LOK Rail with BCG and CH, Desert Dirt - Precision Build - 08-548S ranked #59 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 #48 of the 2,004 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in 5.56 NATO, nearly all on mid-length gas, and nearly all AR-15.
It was hard to find in October 2026, in stock on only 10 of the 22 days we checked, and today 2 of the 6 retailers we track have it in stock. Buying today, the lowest price is $1,450 at Brownells, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
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