Geissele Super Duty MOD1 14.5 Inch 5.56mm Complete Assembled AR-15 Upper
or 4 interest-free payments of $331.25 with 
6 Magazines Per Order: Due to extreme volume, we are limiting sales of magazines to 6 per customer order. This applies to individual and bundled magazines. AT3 reserves the right to cancel any order over the 6 magazine limit.
- Free standard shipping on orders $139+ details
- 90-day no-hassle returns policy
- Geissele Lifetime Warranty! what it covers
Product description
Combat-Ready Geissele Engineering
The Geissele Super Duty MOD1 14.5″ Complete Upper is built to meet the demands of professional end-users who need a rugged and high-performance upper receiver group. At its core is a 14.5-inch cold hammer-forged, chrome-lined barrel, optimized with a mid-length gas system for smoother recoil impulse and enhanced reliability in both suppressed and unsuppressed configurations. Paired with a Geissele Reliability Enhanced Bolt Carrier Group and Airborne Charging Handle, the MOD1 upper guarantees smooth cycling, superior gas management, and reduced carrier tilt for consistent, dependable operation in all conditions.
Features
- Duty-grade components for mission-critical reliability
- Optimized mid-length gas system for suppressed and unsuppressed use
- Pin-and-weld muzzle device for NFA compliance
- Precision-crafted to Geissele’s exacting standards
- Includes Geissele Reliability Enhanced Bolt Carrier Group and Airborne Charging Handle
Components
- Barrel: 14.5” 5.56mm NATO, cold hammer-forged, chrome-lined, manganese-phosphate coated
- Barrel Twist: 1:7 twist rate for optimal performance with a wide range of bullet weights
- Handguard: 13.5” Geissele Super Modular Rail MK16 (M-LOK compatible)
- Bolt Carrier Group: Geissele Reliability Enhanced Bolt Carrier Group (REBCG), chrome-lined and precision machined
- Charging Handle: Geissele Airborne Charging Handle (ACH) for smooth and ambidextrous operation
- Gas System: Mid-length for smoother recoil impulse and reliability with a Geissele Super Gas Block, securely pinned in place
- Finish: Durable Type III hardcoat anodized upper receiver and rail
- Muzzle Device: Nanoweapon®-coated HUXWRX Flash Hider- QD 556
- Compatibility: Suppressor-ready for NFA builds
- Made in the USA by Geissele Automatics
Specifications
- Brand: Geissele
- Model: MOD1 14.5 Inch 5.56mm Complete AR-15 Upper
- MPN: 08-547B and 08-547S
- Fit: Mil-spec AR-15 Lower Receivers
- Caliber: 5.56
- Barrel Length: 14.5″
- Handguard Rail: MLOK
- Material: Stainless Steel and Aluminum
- Finish: Type III Hardcoat Anodized
- Colors: Black and Desert Dirt Color (DDC)
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Questions & Answers
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Warranty & returns
Geissele Lifetime Warranty!
Geissele Limited Lifetime Warranty
- Geissele Automatics warrants its firearms, components, and tools against defects in materials and workmanship during the lifetime of the product.
- Geissele Automatics does not warrant against normal wear and tear, items consumed or expended by their normal use (including springs, pins, etc.), product misuse (including criminal misuse, negligence or use under the influence of drugs or alcohol), accidental damage, or damage caused by improper handling, unapproved modifications to the product, defective or improper ammunition, or corrosion.
- Defective accessories (e.g., scopes, suppressors, flash hiders, sights, slings, parts with glass or electronic components, etc.) may be warranted by their original manufacturers but are not covered by this warranty.
If you submit a valid claim under this Limited Lifetime Warranty, Geissele Automatics will authorize your return of the product and, at its sole discretion, will:
- Repair the product, including replacement of defective parts with new or refurbished parts
- Replace the product with a product of equal or greater value.
If Geissele Automatics decides to replace a product under this warranty, Geissele will keep the product being replaced.
You must satisfy all terms and restrictions set forth in this Limited Lifetime Warranty and obtain a Return Material Authorization before shipping any product to Geissele Automatics.
Before shipping any product to Geissele Automatics, please ensure the following:
- The product has not been modified, is clean and any accessories have been removed (unless otherwise instructed by a Geissele Automatics technical support agent)
- There is no ammunition in any product or packaging
- The completed Return Material Authorization form has been placed inside the packaging
- The Return Material Authorization number has been clearly written on the outside of the packaging.
Any failure to follow these instructions could result in your package being refused and returned to you without repairs at your expense.
To obtain service, contact Geissele Automatics at sales@geissele.com or 610-272-2060.
Disclaimer: Manufacturer’s warranty is subject to change without prior notice.
90-day no-hassle returns
The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.
If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.
