Used Geissele Automatics Super Duty SD-556 Count Blemula AR-15 AR15 SD556

Geissele Super Duty SD-556 AR-15 AR15 SD556 5 MAGS

How Buying WorksEnding October 1, 2026 at 10:30 PM

Key Features

  • Item Type: Semi Auto Rifles
  • Action: AR-15 Direct Impingement
  • Manufacturer: Geissele Automatics
  • Capacity: 30 1
  • Model: Super Duty SD-556
  • Barrel Length: 16"
  • Caliber: 5.56mm NATO
  • Finish: DDC Tan
  • Overall Condition: Very Good

Product Description

    Geissele Super Duty SD-556 Count Blemula 5.56 NATO 16-inch AR-15 Rifle, DDC Anodized, Mk16 M-LOK, Ambi Controls, 5 PMAGs

    This Geissele Automatics Super Duty SD-556 "Count Blemula" stands out with matching BLEMula markings on the upper, lower, and handguard, all finished in Geissele's DDC tan/gold anodize. It is a 16-inch, 5.56 NATO AR-15 pattern rifle built on forged receivers with premium Geissele components and thoughtful control enhancements. It includes five 30-round Magpul PMAGs.

    Condition

    Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.

    Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.

    Bore Rifling: Excellent Rifling - Sharp lands and grooves.

    Specific Condition Details: This firearm is in great shape with minor scratches and blemishes present.

    What's Included
    • Geissele Automatics Super Duty SD-556 "Count Blemula" rifle
    • Five 30-round Magpul PMAG polymer AR-15 magazines

    The Count Blemula theme is evident with matching logos on the upper, lower, and Super Modular Rail, paired with Geissele's DDC tan/gold anodized finish across the forged aluminum receivers and handguard. The upper is configured without a forward assist and includes an ejection-port cover and case deflector. A T-marked, continuous Picatinny top rail runs the full length for mounting accessories.

    The 16-inch 5.56 NATO barrel is capped with a multi-prong flash hider, and the threaded muzzle supports standard accessories. The rifle uses a semi-automatic, direct-impingement operating system consistent with the Super Duty series.

    Up front, the free-float Geissele Super Modular Rail Mk16-pattern M-LOK handguard provides rigid accessory mounting with M-LOK slots and features integrated QD sling swivel sockets near the rear of the rail. The continuous top rail interface aligns with the upper for seamless setup.

    Controls and furniture are purpose-built: an ambidextrous safety selector and a right-side bolt release above the mag release improve handling. The ambidextrous Geissele Airborne Charging Handle (PN 05-497) and a flat-faced trigger shoe round out the control set. The B5 Systems Bravo stock offers 6-position adjustment with an approximate length of pull from 11.5 to 14.5 inches, complemented by a polymer pistol grip with stippled panels. Made in the USA.

Specifications

Item TypeSemi Auto Rifles
ManufacturerGeissele Automatics
ModelSuper Duty SD-556
SubmodelCount Blemula
Caliber5.56mm NATO
Overall ConditionVery Good
Bore ConditionExcellent
ActionAR-15 Direct Impingement
Capacity30 1
Barrel Length16"
FinishDDC Tan
Stock/Gripspolymer pistol grip with stippled panels
Sight/Opticnone
Country of OriginUnited States