Brand: Heckler and Koch (HK USA)
Model: MR556 A4
Caliber: 223 Rem | 5.56 NATO
Barrel Length: 16.5"
Overall Length: 33.25" to 36.5"
Action: Semi-Auto
Finish: Gray Cerakote
Stock: Collapsible / Folding Stock
Stock / Grip: HK416 Slimline Furniture
Twist: 1-in-7"
Capacity: 30rd
Sights: No Sights
Thread Pattern: 1/2x28
Threaded: Yes
Weight: 7.67 lbs.
Safety: Ambidextrous Safety Lever
Receiver: Fully Ambidextrous Lower
Handguard: M-LOK Handguard

Features

Get your hands on the premium Heckler and Koch MR556 A4 semi-automatic rifle, a top-tier choice for shooters seeking the civilian equivalent of the legendary HK416. Chambered for versatile .223 Rem | 5.56 NATO ammunition, this rifle features a robust 16.5" barrel with a 1-in-7" twist and a 1/2x28 thread pattern for suppressor readiness. The upgraded A4 model boasts a striking Gray Cerakote finish and comes equipped with modern HK416 Slimline Furniture, including a collapsible/folding stock. Designed for superior user accessibility, the MR556 A4 features a fully ambidextrous lower receiver and safety lever, complemented by a modular M-LOK handguard for easy accessory mounting. Weighing in at 7.67 lbs. and accepting a standard 30rd capacity, this rifle is an excellent choice for demanding enthusiasts looking for HK reliability and the latest A4 enhancements.

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These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

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California 10+ Round Magazine Buyers: PSA values your freedom and constitutional rights above all else. However, PSA will not accept new orders nor will ship any order until the Ninth Circuit Federal Court of Appeals mandate becomes finalized. Once this mandate is finalized, we will start accepting new orders and ship 10+ round magazines to California Customers.

WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).