Forward Controls Design HF-601 Takedown and Pivot Pins

Forward Controls Design HF-601 Takedown and Pivot Pins


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Extra length gives you more surface area for ease use.




HF-601 is a collaboration between Hodge Defense Systems and Forward Controls Design. HF-601 is based on FCD PF-040 pins, with Jim’s input on what he wants on HDSI ARs. Like PF-040, they’re 17-4 stainless steel, precision billet machined on Swiss machines with high degrees of precision, and very tight tolerances, and black nitride treated. HF-601 pins are 0.040″ longer than TDP take down and pivot pins, another feature shared with FCD PF-040 pins. Jim has a soft spot for the Colt 601, thus HF-601 pins have taken on many of the Colt 601 pivot and take down pin cues. The dimples on both sides of the take down pin and left side of the pivot pin, even the slight ring on the left side of the take down pin tip is faithfully reproduced. The only exception is the pivot pin, whereas on the Colt 601, the right side pin head is flat, it is flat on the HF-601.


HF-601 pins diameter adheres to TDP dimensions and tolerances, 0.2485 +0.000/-0.005.

Additional information

Weight 0.0625 lbs
Dimensions 3.5 × 1 × 6 in


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