The HK416A5 has a two-stage adjustable gas block. The handguard has a continuous Picatinny slots on the top rail from upper receiver to handguard compared to a 2-slot gap on older models.

HK416 stands for a performance-optimised assault rifle family, tailored to the tasks of the infantry, as well as the dedicated challenges of special forces of the military and police. The HK416 is ... Good grip. True to size. Accurate. The design of the HK416 reduces the offset from the barrel to the sight radius when aiming.

HK416A5是HK416系列的第一个重大改进型号，于在2012年推出。 在这之前被广泛采用的各种HK416其实大多是HK416A2。 HK416A5的改进项目分别有：增加了气体调节器，扩大扳机护圈方便戴防寒手套操作，无论击锤在任何状态下都可以把快慢机设置在保险位置，拉机柄两侧都有定位钩，左右两侧都有空仓挂机释放按钮，带储物空间的新握把，准星可折叠在护木上（但照门是另外安装的）等等，这些大多是细节上的改进。 不过对于用户来说，比较重要其实是弹匣井的形 …

The Heckler & Koch HK416 is an assault rifle chambered for the 5.56×45mm NATO cartridge. It is designed and manufactured by the German company Heckler & Koch.

The HK416 is a 5.56x45mm magazine fed lightweight auto rifle available in multiple barrel lengths that is gas operated via short stroke gas piston system for enhanced reliability built on the common M4/M16/AR15 style platform. Often discussed as the multi-role weapon.

The HK416 A5 is a further development of the HK416 assault rifle in 5.56 x 45 mm NATO calibre.

HK416自动步枪（英文：HK416 Assault Rifle），是2004年德国黑克勒-科赫（Heckler & Koch，缩写：H&K或HK）公司研发的一型自动步枪。 HK416自动步枪是以G36突击步枪的气动系统在M4卡宾枪的设计上重新改造而成。

HK416 A5開始改用了新款機匣鍛造件，加上了雙邊操作部件護欄。 上機匣頂部改為 北約附件導軌，並向前後新增格數，與護木組成一整條連續導軌，以及在後方機匣結合插梢孔加入板簧以確保機匣穩固。 下機匣彈匣井改為傳統AR-15的10度傾斜式開口，喇叭型開口縮為一般AR-15的寬度，並改用加大扳機護圈，而扳機護圈改為用兩根彈簧銷固定，無法輕易拆下。 G95K初期亦沿用416 A5機匣，後來改為彈匣井前方加上切角的機匣。 HK416配有一根冷鍛碳鋼槍管，纏距為1:7， …

2020年10月28日 · The HK416A5 models (from 2016) are improved variants of the HK416 via HK’s continual product improvement process. The HK416A5 common barrel lengths are 11 and 14.5 inches, but 16.5 and 20-inch barrel lengths are available. The barrel extension and lock up onto the upper receiver is also improved compared to older models.

The HK416A5 is a German assault rifle developed from the HK416. Original model from the early 2000s. Compact model. Updated model from 2008 with all- HK parts. Variant developed for …