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Patriot Defense | BOLO Interrupter/Pin

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Patriot Defense | BOLO Interrupter/Pin

Patriot Defense | BOLO Interrupter/Pin

Parts included: BOLO Interrupter & Pin

NOTE: We recommend you have the Xtreme Sear and Titan Hammer installed on your pistol with this part. Due to the number of changes in Tanfo frames and parts over the years; as well as the additional material on the BOLO we recommend only experienced gunsmith to install this part. Please be aware that customer support will not be as readily available for this part as it is intended for experienced gunsmiths to fit. Please look at the R7 or R5 interrupters if you feel you'll need additional help and support. 


Please read the below product description before purchasing.
Some pistols will require fitting due to the vast amount of machining tolerance variations in these pistols.
The supplied pin is designed to float in the hammer pin holes, use grease to aid in assembly and keep the pin from falling out.
Please contact us should you have any question regarding fitting or modifying your BOLO

The number one complaint Tanfoglio owners have about their guns…..…the trigger.

The patent pending Patriot Defense Optimized Bolo Interrupter was conceptualized and created by some of the best shooters in the world. It not only levels the playing field, but when installed properly, it can achieve nearly zero pre-travel in single action. Precision CNC machined and heat treated for optimum life and performance to the end user the Gen 1 Bolo Interrupter was machined specifically for the Stock II and Stock III pistols. Due to feedback we’ve received on the most current configuration of Tanfoglio pistols; most people have the Extreme Sear, and Titan or Delta hammer already installed in their pistol. We recommend you already have it installed as well to get the most out of your Tanfoglio firearm and a trouble free install. Combine the Bolo with Patriot Defense’s new hammer springs for a stack-less smooth trigger pull!

We have installed the Gen 1 on Limited and Gold Teams, but please be aware, those guns had a double action hammer and Extreme parts. The interrupter will require more extensive modification to fit under the sear. We are currently working on a Gen 2 geared specifically for the Limited and Gold Team in a ‘drop-in’ capacity. We will offer technical support if you choose to fit the Gen 1 into a Limited or Gold Team.

We’ve delayed the release of this part in order to work through countless possible and potential issues over numerous beta versions. We recommend you please contact us first or see a qualified gunsmith for assistance before modifying the interrupter or your firearm. Important Warning: Modification to your firearm will void manufacturers warranty. This product must be installed by a qualified gunsmith. No liability is expressed or implied for damage or injury which may result from improper installation or use of this product.


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Important Warning: Modification to your firearm may void manufacturers warranty. This product must be installed by a qualified gunsmith. No liability is expressed or implied for damage or injury which may result from improper installation.


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  • 5

    Posted by Byron Prock on Oct 21st 2023

    If you want the best trigger possible in your Tanfo then this is the way to go, no question. The reset on a factory Tanfo is really the weak point of the gun. The BOLO provides an excellent DA pull and the reset it awesome. The bonus is the interrupter pin serves as a slave pin for installation of the trigger spring.

  • 5

    Posted by Dennis Brindle on Nov 30th 2021

    Works like a charm