FA Franklin Armory
Franklin Armory HK MP5K - BFSIII HK-C1 Binary SEF Navy Style Trigger Group
- SKU:
- HKP-20926
- Condition:
- New
Description
Franklin Armory HK MP5K - BFSIII HK-C1 Binary SEF Navy Style Trigger Group
3 Position HK binary trigger group
Includes:
- Franklin Armory BFSIII HK-C1 trigger pack
- HK German – SEF trigger housing – clipped & pinned
- 9mm ejector lever – U.S 3rd generation installed
- Ejector axle pin installed
- Ejector spring installed
In position 3 it will fire 1 round on pull and 1 round on release. This makes it the fastest semi-automatic trigger on the market.
The BFSIII™ is ideal for tactical and competition use. The BFSIII™ provides greatly reduced split times between rounds and the ability to place two separate shots into a tighter group.
Trigger Operation:
- Position 1 – Safe –Will not fire.
- Position 2 – Semi – Fires 1 round per pull.
- Position 3 – Binary – Fires 1 round on pull and 1 round on release.
Specifications:
- A trigger pulls around 4.5 pounds.
- Ambidextrous safety selector.
- Safety selector will fit in most two and three-position trigger housings.
1 Review
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Will need modification to fit Century/AP-5.
While other HK original MP5K trigger housings have always fit my AP5-P perfectly, this is not a drop in fit. I'm pretty sure the SEF Navy packs used here weren't ever a factory MP5K trigger pack. The second hole was drilled by HK parts. This combination of products is a good choice if you want to get a Binary pack with the ejector already installed and an MP5K SEF-Navy grip pack at the same time. This is NOT an advisable option though if you are hoping to personally avoid any assembly or hand-fitting. Do not expect these packs to be "drop-in" or "plug and play" with push pin lowers. You will likely STILL need to do some work to actually get it to fit and work correctly.