2016年11月28日 · I am starting the process of a HK 51K build and hoped to get some ideas/thoughts/advice from those of you who have either built or purchased one in the past. …

2011年10月4日 · Just wanting to know how you all feel about the standard HK 51/53 models, either pistol or long guns, even SBRs, compared to the 'K' models. Standard semi-auto, FA, …

2021年10月22日 · The HK51 is not a gun that was ever actually produced by Heckler & Koch. It is instead a variation on the G3/HK91 originally developed by American H&K specialist Bill …

The MC51K is a British-American battle carbine developed from the MC51 and the HK MP5KA3. The MC51K is often called HK51K, however it is not produced nor endorsed by HK. The name …

2016年3月30日 · Basically, the HK51K is a super compact 7.62. They made those, the regular HK51 and they made the HK51B, which was a beltfed model. I believe PCS still makes these …

100% US RCM Manufactured HK51K CHFBarrel. Made from the exact HK51K barrel specifications & cold hammer forged steel as HK German barrels. Counts as one US for 922R …

HK 51K .308/7.62 NATO

2021年4月8日 · 51K by Jeff “Ghilliebear” Walters at Parabellum Combat Systems. Based on a virgin PTR receiver and basically every part is modified HK of some sort. Barrel is 5.3” long …

This is a custom built, “HK51K” super shorty, in 308/7.62×51. HK parts were used for everything except a few custom parts in the front section, barrel, locking piece and receiver flat. Hours of …

2010年1月30日 · I've shot about 3000 rounds through my Fleming 51K and just love it, though I started to notice that my support tube was starting to get "rounded over" where the bolt carrier …