Geissele Automatics167529633
Geissele Automatics Ar-15 11.5 Super Duty Stripped Upper Receiver Ddc$1,150.00
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Availability: In Stock
The Geissele Automatics AR-15 16" Super Duty stripped upper receiver in DDC delivers the precision and craftsmanship serious shooters expect from one of the industry's most respected names. This is a complete upper assembly minus the bolt carrier group and charging handle—meaning you're starting with Geissele's proven platform and finishing it your way. The 16-inch mid-length-plus gas system strikes a practical balance between velocity, reliability, and shootability across a broad range of ammunition, making it equally at home in a duty rifle, competitive build, or field gun.
At the core is Geissele's Super Duty upper receiver paired with their MK16 Super Modular rail system via a center-aligning tab that eliminates rail rotation entirely—a detail operators and precision shooters rely on. The barrel is hammer-forged and chrome-lined 5.56mm with a 1-7 twist, cold-hammer-forged and machined in-house at Geissele's North Wales, Pennsylvania facility to their uncompromising standards. This combination delivers consistent accuracy and the soft-shooting character Geissele is known for. The stripped upper also includes a Super Compact gas block and comes with steel quick-detach inserts pre-installed.
DDC (Flat Dark Earth) offers a modern, versatile finish that looks right on duty, field, or competition builds. Whether you're assembling a precision rifle, a combat-ready AR, or experimenting with your own component selection, this upper gives you a battle-tested foundation from a builder that refuses to cut corners.
| Barrel Length | 16 inches |
| Caliber | 5.56mm |
| Barrel Twist | 1-7 |
| Gas System | Mid-Length Plus |
| Barrel Type | Chrome-lined, Cold Hammer Forged (CHF) |
| Rail System | MK16 Super Modular |
| Gas Block | Super Compact |
| Receiver | Super Duty Upper |
| Finish | DDC (Flat Dark Earth) |
| Configuration | Stripped (BCG and charging handle not included) |
This upper includes the receiver, barrel, rail system, gas block, and steel QD inserts. You'll need to source a bolt carrier group and charging handle separately to complete the upper assembly.
The mid-length-plus gas system on the 16-inch barrel strikes a balance between velocity and recoil impulse. It's designed to run reliably across a wider range of ammunition while maintaining softer shooting characteristics compared to a shorter carbine-length tube on a longer barrel.
Yes, this upper will mate to any standard AR-15 lower receiver. The receiver extension and buffer tube are handled by your lower assembly.
The center-aligning tab ensures the MK16 rail seats perfectly on the receiver with zero rotational play—critical for repeatability if you're mounting optics or other precision accessories.
SKU: 167527227 • Weight: 4.29oz
Availability: In Stock
The Geissele Automatics AR-15 16" Super Duty stripped upper receiver in DDC delivers the precision and craftsmanship serious shooters expect from one of the industry's most respected names. This is a complete upper assembly minus the bolt carrier group and charging handle—meaning you're starting with Geissele's proven platform and finishing it your way. The 16-inch mid-length-plus gas system strikes a practical balance between velocity, reliability, and shootability across a broad range of ammunition, making it equally at home in a duty rifle, competitive build, or field gun.
At the core is Geissele's Super Duty upper receiver paired with their MK16 Super Modular rail system via a center-aligning tab that eliminates rail rotation entirely—a detail operators and precision shooters rely on. The barrel is hammer-forged and chrome-lined 5.56mm with a 1-7 twist, cold-hammer-forged and machined in-house at Geissele's North Wales, Pennsylvania facility to their uncompromising standards. This combination delivers consistent accuracy and the soft-shooting character Geissele is known for. The stripped upper also includes a Super Compact gas block and comes with steel quick-detach inserts pre-installed.
DDC (Flat Dark Earth) offers a modern, versatile finish that looks right on duty, field, or competition builds. Whether you're assembling a precision rifle, a combat-ready AR, or experimenting with your own component selection, this upper gives you a battle-tested foundation from a builder that refuses to cut corners.
| Barrel Length | 16 inches |
| Caliber | 5.56mm |
| Barrel Twist | 1-7 |
| Gas System | Mid-Length Plus |
| Barrel Type | Chrome-lined, Cold Hammer Forged (CHF) |
| Rail System | MK16 Super Modular |
| Gas Block | Super Compact |
| Receiver | Super Duty Upper |
| Finish | DDC (Flat Dark Earth) |
| Configuration | Stripped (BCG and charging handle not included) |
This upper includes the receiver, barrel, rail system, gas block, and steel QD inserts. You'll need to source a bolt carrier group and charging handle separately to complete the upper assembly.
The mid-length-plus gas system on the 16-inch barrel strikes a balance between velocity and recoil impulse. It's designed to run reliably across a wider range of ammunition while maintaining softer shooting characteristics compared to a shorter carbine-length tube on a longer barrel.
Yes, this upper will mate to any standard AR-15 lower receiver. The receiver extension and buffer tube are handled by your lower assembly.
The center-aligning tab ensures the MK16 rail seats perfectly on the receiver with zero rotational play—critical for repeatability if you're mounting optics or other precision accessories.
SKU: 167527227 • Weight: 4.29oz