AR-15 Bullpup Conversion Kit (LeMay)

Search terms: AR15 bullpup conversion kit / AR-15 bullpup conversion kit / AR 15 bullpup kit.

Shop the LeMay AR15 bullpup conversion kit

AR Force Arms makes the LeMay AR-15 Bullpup Conversion Kit — a 100% veteran-owned, veteran-designed bullpup chassis built for real-world handling and straightforward support.

Why a bullpup conversion?

• Shorter overall length without giving up barrel length
• Rear-balanced handling for faster transitions
• AR-adjacent manual of arms (train accordingly)

LeMay quick fitment check

• Mount: KeyMod or M-LOK handguard ≥ 6.5″
• Trigger: rear trigger must be CURVED (flat-faced rear triggers not compatible)
• Select your configuration: choose your Upper Receiver Option + Color on the product page

Shop the LeMay Bullpup Conversion Kit

Compatibility (popular setups)

Supported configurations include common bufferless/side-charging and hybrid setups. Use the guide below to confirm your upper choice and buttpad option:

• LeMay Compatibility Guide
• LeMay FAQ
• LeMay Technology Overview

Shipping & support

• Shipping & Returns (free shipping on qualifying orders)
• Contact us — send your upper + lower model and handguard length and we’ll confirm fitment