HK MR223A3 vs. MR556A1 Differences

Discussing the major differences between the European HK MR223A3 and the HK USA MR556A1.

Timestamps
0:00 - Introduction
1:02 - Buffer tube
2:28 - Upper and lower receiver
4:43 - Barrel extension pin
5:20 - Differences from HK416A5
6:12 - Barrel
7:57 - Furniture differences
9:01 - Conclusion

Links
HK416/MR556 and AR-15 Parts Compatibility: https://rumble.com/v32lhhq-hk416mr556-and-ar-15-parts-compatibility.html