FM Products FM-9 AR 9mm Rear Charging Upper Receiver 16 inch Black
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Overview
The FM Products FM-9 AR 9mm Rear Charging Upper Receiver is a complete assembly designed for the AR-9 platform, featuring a 16-inch barrel that optimizes performance for 9mm ammunition. This upper receiver allows for rear charging, providing ease of access and streamlined operation when cycling rounds. Builders looking to create a compact, reliable 9mm AR setup will find this upper receiver well-suited for their needs.
Specifications
FM Products FM-9 AR 9mm Rear Charging Upper Receiver 16 inch Black
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Price Alert
September 2026 on GunPartPicker
Foxtrot Mike Products FM Products FM-9 AR 9mm Rear Charging Upper Receiver 16 inch Black ranked #267 of the 615 upper receivers builders added on GunPartPicker in September 2026. Builders on GunPartPicker first added it to a build in May 2026.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today the one retailer we track has it in stock. Prices barely moved in September 2026, holding around $445.99, so there haven't been real sales lately. Buying today, the lowest price is $445.99 at Optics Planet, 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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