In StockSave 30%
Panzer AR57 ULT Upper Assembly 5.7x28mm 12" - AR57ULT-12
Sold byPalmetto State Armory•Posted May 18, 2026
$629.99
$899.99
You save $270.00 (30% off)
Price and stock data refresh continuously from Palmetto State Armory.
Deal Summary
- Currently in stock.
- Caliber: 5.7x28
- Category: parts
- SKU: 51655133903
- Brand: Panzer Arms
Price History
Deal Details
#html-body [data-pb-style=OTGBDXL]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}AR57 12" Complete ULT M-LOK Upper, AR57 Mfg, Factory new. Comes with a 12" lightweight barrel with M-LOK rails. This AR57 Upper Receiver Assembly converts any AR-15 lower to a rifle capable of shooting 5.7x28 ammunition. The unique upper design loads from the top and ejects downward through th