Geissele Automatics SD556 Super Duty Mod1 5.56 NATO DDC Rifle
Caliber: 5.56 NATO · Capacity: 30+1
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Specifications
Action Semi-Automatic
Ambidextrous Safety Yes
Barrel Length 16 inches
Caliber / Gauge 5.56 NATO
Capacity 30+1
Finish DDC
Grip Safety No
Magazines Included 0
Manual Safety Yes
Optic Ready Yes
Overall Length 33.75 inches
Threaded Barrel Yes
Trigger Safety No
Weight 6.56 pounds
Description
Product Overview
The Geissele Automatics SD556 Super Duty Mod1 is a 5.56 NATO semi-automatic rifle designed for dependable performance and enhanced handling. It features a 16-inch cold hammer forged, chrome-lined barrel with a 1:7 twist, a Geissele Super Compact Gas Block, and a Geissele-length gas system. The HUXWRX Flash Hider-QD 556 muzzle device provides a suppressor-ready interface, while the MK16 Super Modular Rail adds press-fit stainless steel QD sling inserts. A two-stage SSA-E X Lightning Bow trigger, ergonomic A17 grip, and QD sling mount endplate complete the DDC-finished configuration. The rifle is supplied without a magazine or sights.
Key Features
- Chambered in 5.56 NATO for broad ammunition compatibility
- 16-inch cold hammer forged, chrome-lined barrel with a 1:7 twist for reliable accuracy
- HUXWRX Flash Hider-QD 556 provides a suppressor-ready muzzle interface
- SSA-E X Lightning Bow two-stage trigger offers a refined, predictable trigger pull
- MK16 Super Modular Rail includes integrated stainless steel QD sling inserts
- Ambidextrous safety selector and ergonomic A17 grip support comfortable operation
The Geissele SD556 Super Duty Mod1 combines a duty-ready operating system with precision-focused components in a versatile 5.56 NATO rifle.
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
5.0 | 1 Reviews
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- SKU:
- 08395S
- UPC:
- 810081133647
- BUDS ID:
- 163305
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2270 Two Rivers Blvd, Sevierville, TN 37876Uncle Lee's - Greenville, KY
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| Action | Semi-Automatic | Semi-Automatic | Semi-Automatic | Semi-Automatic | Semi-Automatic |
| Barrel Length (in.) | 16.0 | 14.5 | 16.0 | 16.0 | 18.0 |
| Caliber / Gauge | 5.56 NATO | 5.56 NATO | 5.56 NATO | 5.56 NATO | 5.56 NATO |
| Capacity | 30 | 30 | 30 | 30 | 20 |
| Finish | DDC | Blue/Black | Black | Black | Black |
| Manual Safety | Yes | Yes | Yes | Yes | Yes |
| Optic Ready | Yes | Yes | Yes | Yes | Yes |
| Overall Length (in.) | 33.75 | 31.5 | 32.5 | 33.75 | 35.25 |
| Weight (lbs) | 6.56 | 7.4 | 7.0 | 7.8 | 7.62 |
| Ambidextrous Safety | Yes | Yes | Yes | Yes | No |
| Threaded Barrel | Yes | Yes | No | Yes | Yes |
| Sights | N/A | N/A | N/A | Standard Sights | N/A |
| Actions | Current Item |



