Like the HK416, the MR556A1 uses a proprietary HK short-stroke gas piston in place of the direct-gas-impingement system found on lesser AR15-style rifles that propels exhaust gas into the …

A direct descendant of the HK416, the HK MR556 for sale offers impeccable durability, precision, and battle proven reliability. This rifle utilizes a "closed" short stroke gas piston system …

HK MR556 5.56mm NATO 16.5in Black Semi Automatic Modern Sporting Rifle - 30+1 Rounds - A direct descendant of the HK416, the MR556A1 is a semi-automatic rifle configuration with …

The HK MR556A1 can fire 5.56 NATO and .223 easily, and offers a very smooth and accurate shooting experience. The short-stroke gas piston system is simple and performs reliably …

Shop a large selection of in stock HK Rifles manufactured by Heckler and Koch (HK). Buy discounted HK Rifles for sale online at Omaha Outdoors. Get 20% off now - Click Here

The latest update from HK-USA to the commercial variant of the legendary HK416, the MR556 A4 represents an enhanced example of “no compromise” HK performance. Chambered in 5.56 x …

Heckler and Koch’s MR556 Semi-Automatic Rifle is a direct descendant of the HK416. Developed by HK as a premium level commercial/civilian firearm with match rifle capability, the MR556 is …

海外开箱hk mr556 a4 上机匣下机匣概览

A direct descendent of the HK416, the MR556A1 is a semi-automatic rifle developed by Heckler & Koch as a premium level commercial/civilian firearm with match rifle capability. Like the …

2023年4月4日 · HK USA has no drive and motivation to improve the MR line. In fact the MR556 has only gotten worse over the years. They started as coming with German quad rails, …