These bore groove cutters can be applied in a variety of ways to produce a variety of experimental effects. --- Perhaps the most promising is outl...

This arose out of discussions regarding the removal of more stubborn dirt and contaminants from the bore as part of the cleaning process. Rather th...

THIS MODEL HAS NOT YET BEEN TESTED. Complete Manual: https://sites.google.com/site/hsarmory/miscellaneous/news/borelappingmanual These crown enhan...

THIS MODEL HAS NOT YET BEEN TESTED. Complete Manual: https://sites.google.com/site/hsarmory/miscellaneous/news/borelappingmanual These crown enhan...

THIS MODEL HAS NOT YET BEEN TESTED. Complete Manual: https://sites.google.com/site/hsarmory/miscellaneous/news/borelappingmanual These crown enhan...

THIS MODEL HAS NOT YET BEEN TESTED. Complete Manual: https://sites.google.com/site/hsarmory/miscellaneous/news/borelappingmanual These crown enhan...

You know how annoying it is when you just need a little piece of RIS and can't get it? Well now they are available in several convenient sizes. (ch...

You know how annoying it is when you just need a little piece of RIS and can't get it? Well now they are available in several convenient sizes. (ch...

You know how annoying it is when you just need a little piece of RIS and can't get it? Well now they are available in several convenient sizes. (ch...

You know how annoying it is when you just need a little piece of RIS and can't get it? Well now they are available in several convenient sizes. (ch...

This is a sector chip designed to extend air nozzle retraction. It was specifically designed for use with SHS gears, although it can be modified to...

This is a sector chip designed to extend air nozzle retraction. It was specifically designed for use with SHS gears, although it can be modified to...

These ER-hop shims cover 135 degrees of the the circumference and allow even pressure both the length and width of the ER-hop.

These ER-hop shims cover 90 degrees of the the circumference and allow even pressure both the length and width of the ER-hop. (135 degree ER-hop sh...

These R-hop shims cover 90 degrees of the the circumference and allow even pressure both the length and width of the R-hop. (135 degree ER-hop shim...

These R-hop shims cover 135 degrees of the the circumference and allow even pressure both the length and width of the R-hop. (135 degree ER-hop shi...

An aspherical round design based off the last round of feedback and with fins optimized to function in the TK-twist barrel, although it will functi...

An aspherical round design based off the last round of feedback and with fins optimized to function in the TK-twist barrel, although it will functi...

An aspherical round design based off the last round of feedback and with fins optimized to function in the TK-twist barrel, although it will functi...

An aspherical round design based off the last round of feedback and with fins optimized to function in the TK-twist barrel, although it will functi...

An aspherical round design based off the last round of feedback and with fins optimized to function in the TK-twist barrel, although it will functi...

An aspherical round design based off the last round of feedback and with fins optimized to function in the TK-twist barrel, although it will functi...

An aspherical round design based off the last round of feedback and with fins optimized to function in the TK-twist barrel, although it will functi...

An aspherical round design based off the last round of feedback and with fins optimized to function in the TK-twist barrel, although it will functi...

This is an installation aid which helps with the installation of the R-hop. This product has been vetted and found to be highly effective. Instruct...

Airsoft outer barrels have a notoriously sloppy fit with inner barrels. Your accuracy is directly tied to how stable your accuracy components are. ...

This hop unit was designed to allow easy manual chambering of aspherical rounds, specialty rounds, and for nozzle-bucking compression testing in th...

This hop unit was designed to allow easy manual chambering of aspherical rounds, specialty rounds, and for nozzle-bucking compression testing in th...

This is an installation aid which helps with the installation of the R-hop. This product has been vetted and found to be highly effective. Instruct...

This is a replacement/upgrade front cap for the carbon fiber MOCK suppressor project. It has been tested in Black Strong & Flexible, but for people...

This is an installation aid which helps with the installation of the R-hop. This version contains a guide to aid in rod centering during sanding, a...

The ASD has been a long time in coming. For years I've tilted my gun to hook bbs and make otherwise impossible shots. Problem was you could never g...

This ring is meant to replace the old, and quite frankly useless, hop stabilization ring we've all come to know and love. It fits snugly over your ...