Franklin Armory HK Binary Trigger + CSM Selectors (BFSIII HK-C1)

[Mammoth Armory]

• Claiming: Thread is locked to prevent email scams. Please DM to claim or for any other offers/questions. Thank you!
• Shipping: Price includes shipping to CONUS only. Ships same or next day via USPS.
• Payment: Zelle (Preferred), Venmo or PayPal F&F. Payment (no notes) expected within 30 minutes or I may move on to the next buyer.
• Trades: It's possible, so feel free to offer quality items. Just note that you will be required to ship first. Upon receipt of item as described, I'll ship to you no later than following business day.
• Condition: Please inspect all photos for exact condition. I'll be happy to provide additional specific photos upon request.
• Timestamp: 🗡Verification Pic (9/20/25)🗡

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Franklin Armory HK Binary Trigger + CSM Selectors (BFSIII HK-C1)

🗡Pictures🗡

• Excellent condition and runs flawlessly. I put 3 mags through it and sold the gun without it. Fun 3 mags though.
• Everything from Franklin included plus two sets of CSM HK selectors. I paid $630 from Prepper Gun Shop + $50 for the selectors.
• Interested in trades for a LNIB Aimpoint T-2.

$480

DM if interested, thanks.

Franklin Armory® BFSIII® HK-C1 (For HK® 91/93/MP5®)

For reducing the time between rounds, check out our HK-C1 trigger. This trigger works in SP5K trigger houses & is compatible with most HK 91, 93, and MP5 parts

franklinarmory.com

CSM HK Selectors for the BFS-III HK Trigger Pack

Price Drop!! We created a new selector for your Franklin Armory BFS Binary Trigger. This selector is modeled after the Factory HK selector. The only difference is that you use the Franklin hardware to attach them. NOTE: Sorry the Pictogram Line version is discontinued as I am getting too old to...

customsmithmfg.com