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The HK MR556 A4 is a premium 5.56x45mm rifle derived from the HK416 platform and built for exceptional accuracy and durability. It features a 16.5" cold hammer-forged barrel, a short-stroke gas piston system, and a free-floated handguard. The Brown and Black finish gives it a distinctive look, while the robust upper and lower receivers deliver reliable operation under rigorous use.
- The MR556 includes a threaded muzzle for compatibility with muzzle devices or suppressors
- Free-floating M-LOK handguard
- 1:7 twist rate
Specs:
- Stock: 6 Position
- Stock Material: Synthetic
- Stock Finish: Black
- Overall Length: 36.5"
- Height: 7.5"
- Width: 3.07"
- Weight: 7.67 lbs
- Trigger Pull Weight: 4.50-5.60 lbs
- Safety: Ambidextrous Safety Lever
- Capacity: 30 + 1
- Max Capacity: 30
Specifications
- Manufacturer:
- Hk
- Category:
- lower-receiver
- Platforms:
- AR-15
- Weight:
- 122.72 oz (7.67 lbs)
- Length:
- 36.5"
- UPC:
- 642230271074
- MPN:
- 81001203
- Required Component:
- Yes
- Complete Firearm:
- Yes
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