Panzer AR57 ULT Upper Assembly 5.7x28mm 12" - AR57ULT-12
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Panzer Arms
Overview
The Panzer AR57 ULT Upper Assembly is a complete upper designed for the AR-15 platform, featuring a 12-inch barrel chambered in the 5.7x28mm caliber. This upper assembly offers builders the advantage of lightweight construction with its 7075-T6 aluminum material, ensuring durability without adding unnecessary weight to your firearm. This upper is particularly popular among builds focusing on the unique performance characteristics of the 5.7x28mm caliber, making it an excellent choice for those looking to harness the benefits of this round.
Specifications
Available Merchants(6)
Prices checked
Price Alert
September 2026 on GunPartPicker
Panzer AR57 ULT Upper Assembly 5.7x28mm 12" - AR57ULT-12 ranked #117 of the 615 upper receivers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #170 of the 1,705 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in 5.7x28mm and nearly all AR-15.
It was in stock most days in September 2026, and today all 6 retailers we track have it in stock. The best price crept up from $599.99 to $699.99 over September 2026. Buying today, the lowest price is $599.99 at Palmetto State Armory, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
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Fortis SHIFT Vertical Grip - M-LOK
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Midwest Industries Combat Rear Back Up Iron Sight - MI-CBUIS
Firefield Rival XL Foregrip Flashlight And Green Laser Combo - M-LOK
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