Knights Armament 5.56MM SR-15 KS-1 13.7" Upper Receiver KIT
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Overview
The Knights Armament 5.56MM SR-15 KS-1 13.7" Upper Receiver KIT is a upper receiver. Compare prices from multiple merchants and find the best deal.
Specifications
Build history on GunPartPicker
Builders on GunPartPicker first added the Knights Armament 5.56MM SR-15 KS-1 13.7" Upper Receiver KIT to a build in May 2026.
Today the one retailer we track is out of stock. Listed prices start at $1,983.60 at AR15 Discounts for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
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