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The HK MR556 A4 is a semiautomatic 5.56 NATO rifle featuring a heavy profile barrel, M-LOK handguard, and HK piston gas system. It uses an over-the-beach style buffer tube with drainage ports and a double length reinforced castle nut. Firearm features include an ambidextrous safety.
Firearm Features:
- Closest you can get to an actual HK 416 in United States
- Heavy profile barrel
- M-LOK attachment system
- Gas-piston system
- Ambidextrous safety
Firearm Specifications:
- Manufacturer: HK
- Model: MR556 A4
- Caliber: 5.56 NATO
- Barrel Length: 16.5"
- Twist Rate: 1:7"
- Finish: Black
- Magazine Capacity: (1) 30-Round Mag
Specifications
- Manufacturer:
- Hk
- Category:
- lower-receiver
- Platforms:
- AR-15
- MPN:
- 81000827
- Required Component:
- Yes
- Complete Firearm:
- Yes
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This is a bundled product that includes multiple components. The exact contents may vary - check the product description for more details.
• Complete assembly ready to use
• Multiple components included
• Value package pricing
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