FRT-MR3 Forced Reset Trigger for the HK MR223 & HK MR556: a replacement fire-control upgrade for the platform named in the title. Check that your rifle matches before you order.

What is listed: 1 x FRT-MR3 Trigger; 2 x Anti-Walk Pins; 4 x Anti-Walk Pin Screws; 1 x A1 Selector Drum; 1 x A4 Selector Drum; 2 x Selector Lever Roll Pins.

Imbert & Smithers Arms covers 55 counties, the Panhandles to the coalfields. Parts ship to your door where legal; check your state and local law before you order. We confirm price and availability at checkout, before payment.

Before you buy, read the product name against your rifle: the platform, the pattern (AR-15, AR-10, HK, FN) and the trigger type all have to match. Parts from different makers are not always interchangeable.

New at Imbert & Smithers Arms: this listing was added recently and is available to order now. We describe only what the maker publishes about the item, so no performance claims are made here. Read the title carefully and compare it with your own setup.

Questions about fit? Match the title to your rifle and trigger type, and ask before you order if anything is unclear. Listed as a new arrival and in stock.