
MR556A1 or MR556A4? Thoughts? | HKPRO Forums
Feb 21, 2025 · Actually created in 1999 (the original posts from the first database were lost), we are a forum dedicated to and laser-focused on Heckler & Koch firearms, Heckler & Koch …
Scope for my MR556A1 | HKPRO Forums
Sep 11, 2013 · Actually created in 1999 (the original posts from the first database were lost), we are a forum dedicated to and laser-focused on Heckler & Koch firearms, Heckler & Koch …
MR556A1 vs MR556 - HKPRO Forums
Jul 26, 2010 · MR556 and MR556A1 are built in America and chambered for the 5.56 NATO. The MR556A1 is new and allows users to mount the A1 upper to standard AR lowers correct? The …
Advice with optic for MR556A1... - HKPRO Forums
May 23, 2011 · Actually created in 1999 (the original posts from the first database were lost), we are a forum dedicated to and laser-focused on Heckler & Koch firearms, Heckler & Koch …
Accuracy expectations of the MR556A1 - HKPRO Forums
Apr 24, 2013 · Of course making good CHF barrel is as much knowledge and experience as making good "classic" barrel. HK, Steyr or Sako have it. Going back to HK, MR223 (uses …
Nice review on MR556 | HKPRO Forums
Jul 19, 2011 · Actually created in 1999 (the original posts from the first database were lost), we are a forum dedicated to and laser-focused on Heckler & Koch firearms, Heckler & Koch …
MR556A1 Barrel cut - HKPRO Forums
Jul 7, 2019 · So I recently purchased a new HK MR556A1 for a steal, and am wanting to cut the barrel down on it. I have a surefire warcomp on it, and have been heavily considering 13.7 and …
MR556A1 Ammo: 5.56 or .223 - HKPRO Forums
Oct 24, 2013 · Actually created in 1999 (the original posts from the first database were lost), we are a forum dedicated to and laser-focused on Heckler & Koch firearms, Heckler & Koch …
HK mr556 to SBR | HKPRO Forums
Jul 17, 2023 · I recently purchased an HK mr556a1 and would like to eventually SBR (10.4" version) it. From what I understand, I will need to purchase the following items or services: Buy …
MR556 Barrel life - HKPRO Forums
Feb 12, 2018 · The HK MR barrel isn't designed for full auto fire. They were too cheap to buy a 416 upper, and ran an MR upper. I'd love to see someone run a non lined barrel half as long …