Geissele's Super Duty MOD1 complete upper delivers next-generation performance for AR-15 platforms. Features a 16" barrel with 1:7 twist, free-float handguard, enhanced bolt carrier group, and quick-detach flash hider for reliability and accuracy.
The Super Duty MOD1 represents a purposeful evolution in AR-15 upper receiver design. Built without compromise, this complete upper combines proven technologies with modern advancements to deliver genuine next-generation performance.
This upper receiver is engineered for shooters who demand accuracy and dependability. The free-float handguard isolates the barrel from external pressure, supporting consistent shot placement. The enhanced bolt carrier group delivers the reliability you need when it matters most.
Whether you're building a new rifle or upgrading an existing platform, the Super Duty MOD1 offers the quality and performance Geissele is known for.