DEAD FINGER now available



Guski Works llc.

A garage based side venture with COLD FINGER Fingertip Aperture mk 1 at the core, bringing rapid fire capability to the average person. Many semi auto firearms and other projectile devices require no modifications or attachments when used in conjunction with Fingertip Aperture.

Fingertip Aperture


Fingertip Aperture is a "NOVELTY" hand posturing device, that configures the users hand(s) in such a way as to help the user more easily learn the skills (through muscle memory and practice) required to recoil fire a two handed, semi automatic firearm or other projectile devices. (Makes LEARNING to recoil fire easier).

For best results while learning the technique, this item should be held with the fingertips only, and should not come in direct contact of the projectile device used in conjunction with.

The universal, ambidextrous design of COLD FINGER allows for use in conjunction with a large variety of two handed semi-auto platforms, such as AR, AK, Mini14, sub pistols, airsoft, paintball, and more. Accommodates pistol grips and (hunting)rifle stocks.

Although being handed (LEFT and RIGHT) the universal design of DEAD FINGER allows for use in conjunction with many FULL-SIZED handgun platforms while still allowing use with rifle platforms, FOR ADVANCED USERS.

Fingertip Aperture was specifically designed to NOT be a firearm part or attachment, to alleviate the need for modification of most firearms, allowing use along side many OFF THE SHELF, factory stock, semi autos.

Fingertip Aperture is NOT intended to be a permanent solution to anyone's needs. Like when learning to ride a bike, the training wheels are discarded when the skills are developed. This too is the intention of Fingertip Aperture. This device is to be used as a technique training platform for timing and muscle memory as it becomes cumbersome after one has developed the skills of recoil fire.

NOT ALL semi-automatics are capable of recoil fire, but most can be made capable.

Always practice safety when handling any firearms.

Rapid fire capability for the price of filling a magazine.

Recoil required. Smooth action and short trigger throw recommended.

WARNING: Users will soon need more ammo.

Colors may vary.


Guski Works cannot be responsible for items delivered to unattended or unsecure drop off locations.

Search "CONTACT" for email



Improper/incomplete action at bolt/slide while attempting to recoil fire. (Failure to eject/feed or cock/set firing pin or striking mechanism)

Some possible solutions

  • Maintenance; clean, lubricate, and inspect all parts and surfaces assuring mechanical reliability.
  • Use of heavier projectiles, higher velocity ammunition, or higher quality ammunition.
  • Increase in gas pressure (rifles).
  • Increase of weight at receiver or other stationary part of platform.
  • Reduced weight at moving part/s of platform (bolt/slide/buffer and/or recoil spring).


Failure to reset trigger after a single pull or burst (assuming the action works sufficiently)

Some possible solutions

  • Use of heavier projectiles, higher velocity ammunition, or higher quality ammunition.
  • Reduced weight at receiver or other stationary part of platform. (overall weight)
  • Reduced trigger pull weight.
  • Increased trigger reset weight.
  • Reduced trigger pull and/or reset travel distance.


Difficulty developing the skills required to recoil fire.

Some possible solutions

  • Trial and error including hundreds or thousands of rounds of practice and unlimited frustrations to still maybe not know whether its the firearm or your technique that is failing to recoil fire.
  • Try a Fingertip Aperture from GUSKI WORKS


Search GuskiWorks at cults 3d for prototype file.