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Franklin Armory HK MP5K - BFSIII HK-C1 Binary SEF Navy Style Trigger Group

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SKU:
HKP-20928-PP
Condition:
New
$879.95

Description

Franklin Armory HK MP5K - BFSIII HK-C1 Binary SEF Navy Style Trigger Group

In position 3 it will fire 1 round on pull and 1 round on release. With a 4.5 lb trigger pull, making this 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.

Binary triggers count as 4 922r compliant components. The components that count towards 922r compliance include the trigger pack box, trigger, hammer, and sear.

Please ensure you know whether your firearm is clipped and pinned or push pin before placing your order and select the appropriate option.

Includes:

  • Franklin Armory BFSIII HK-C1 Trigger Pack
  • SEF Trigger Housing
  • Installed 3rd Generation 9mm Ejector Lever
  • Installed Ejector Axle Pin
  • Installed Ejector Spring

Specifications:

  • Clipped & Pinned/Push Pin Options
  • Navy Style Housing
  • Binary Trigger Group
  • Ambidextrous
  • 9mm

Compatible With:

  • HK MP5K/SP5K 9mm

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.
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Compatiblity

Firearm Model:
HK MP5K
Firearm Model:
HK SP5K
Caliber:
9mm
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1 Review

  • 3

    Will need modification to fit Century/AP-5.

    Posted by Quint Young on 5th Dec 2023

    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.

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