$7k https://www.armsunlimited.com/Heckler-Koch-223-556-Semi-Auto-Pistol-p/mr223a3-16.htm

Hi. I have an MR223A3 (or MR556 for our US friends) and I recently replaced the stock flash hider with HK's rotex flash hider (#234182). My old flash hider had a nearly perfect slot orientation (one slot straight up, one straight down). The new FH is slightly offset, so the slots aren't...

Hey folks, I recently got my MR223A3 and had previously ordered a Midwest Industries M-Lok handguard for it already (HK416/MR556 Handguard, M-LOK(TM) Compatible, 13.5-inch). I did not want to deal with the weird proprietary HKey mounting system, as all my accessories so far are M-LOK. After I...

A few pictures to show the differences between HK MR223 vs. JP Rifles CTR-02 (AR-15). You're welcome to share my pictures on other forums. Changed the uppers / lowers on the rifles. Won't fit!