Description
Patriot Ordnance Factory built the 2-Stage E.F.P. trigger for folks who want repeatable, controlled trigger presses without paying a gunsmith to fit it. The E.F.P. stands for Enhanced Finger Placement, and it's the whole point of this shoe. The forward design naturally guides the tip of your finger to the same resting spot every time, so your break stays consistent from the first round to the last. You get a short amount of take-up, a defined wall you can hold against, and a clean break when you're ready, which is exactly why two-stage triggers have been a competition favorite for years. Total pull weight lands right around 4 to 4.5 pounds, split between a light first stage and a crisp second stage.
What Sets the POF USA E.F.P. Trigger Apart
This isn't a bag of springs and pins you have to sort out. The trigger, disconnect, and hammer are wire EDM cut from American A2 tool steel, then nitride heat-treated to around 70 Rockwell case hardness for real strength and corrosion resistance. Everything comes pre-assembled in a hardcoat anodized aluminum housing with rubber urethane feet that take the play out of the fit. That means less rattle in the lower and a cleaner, more consistent feel through the trigger group.
Dropping the E.F.P. 2-Stage Into Your Build
Installation is about as painless as AR trigger work gets. The unit drops into standard mil-spec AR lowers as well as POF-USA ambidextrous lowers, and the included KNS Precision stainless anti-walk pins lock everything in place so nothing migrates under recoil. Most people have it seated and functioning in well under a half hour with basic tools. Users consistently call out the crisp break, short reset, and how naturally the forward shoe places their finger.
The E.F.P. profile is a genuinely different feel from a flat or curved trigger, and shooters with larger hands or a low grip tend to love where it puts their fingertip. It's a strong first upgrade for a range rifle, a competition build, or any AR you want to shoot faster and more precisely right out of the box.
Key Specifications
- Manufacturer: Patriot Ordnance Factory (POF-USA)
- Manufacturer Part Number: 01511
- UPC: 847313015112
- Type: Two-Stage Drop-In
- Trigger Shoe: Enhanced Finger Placement (E.F.P.)
- Total Pull Weight: Approximately 4 to 4.5 lb
- Fire Control Material: American A2 Tool Steel
- Heat Treatment: Nitride, ~70 Rockwell case hardness
- Housing: Hardcoat Anodized Aluminum with rubber urethane feet
- Finish/Color: Red/Black
- Fit: Standard mil-spec AR and POF-USA ambidextrous lowers
- Action: Semi-Automatic
- Adjustable: No, non-adjustable
What’s Included
- POF USA 2-Stage E.F.P. drop-in trigger assembly (pre-assembled in anodized aluminum housing)
- KNS Precision stainless steel anti-walk pins
Frequently Asked Questions
Will the POF USA E.F.P. trigger fit my AR-15?
Yes, it's designed to drop into standard mil-spec AR lower receivers as well as POF-USA ambidextrous lowers. It is not recommended for DPMS 308 lowers with straight trigger guards or SIG 716 lowers, and POF advises against using it in 9mm PCC carbines. If you're running a standard forged or billet mil-spec lower, you're good to go.
How heavy is the pull on the 2-Stage E.F.P. trigger?
It's a two-stage design with a light first stage of take-up followed by a defined wall and a crisp second-stage break. Total pull weight lands right around 4 to 4.5 pounds depending on the listing, which is a comfortable, controllable range for competition, range work, and general use. It is non-adjustable, so it comes tuned and ready out of the box.
What makes the Enhanced Finger Placement shoe different from a flat or curved trigger?
The E.F.P. shoe uses a forward profile that naturally guides the tip of your finger to the same spot on every press. That consistency helps keep your break clean and repeatable shot after shot. People with larger hands or a lower grip especially tend to like where it puts their fingertip.
Is installation difficult and does it come with pins?
Installation is straightforward since the whole trigger group is pre-assembled in its own housing, so there are no small springs to fumble with. It includes KNS Precision anti-walk pins that lock the assembly in and keep the pins from walking under recoil. Most people have it installed in well under half an hour with basic tools, and watching a quick how-to video helps if it's your first trigger swap.




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