A3 / A4 Flat Top Upper Receiver

Motiuk Manufacturing produces a standard, forged AR-15 A3/A4 flat top upper receiver, that is made in Canada. These receivers are available stripped or complete.



- Forged 7075 aircraft grade aluminum
- T-marked
- M4 feed ramps
- Milspec Type III Class 2 hardcoat anodized
- Available with upper receiver parts kit installed (at additional cost)


$149.99 Stripped

$179.99 Complete

Order Online