Eemann Tech Short Stroke Bumper Kit for PCC – 10 pcs

Eemann Tech Short Stroke Bumper 10 pcs./Kit

The Eemann Tech Short Stroke Bumper Kit is designed for competitive PCC shooters who want to fine-tune their carbine’s bolt travel, recoil impulse, and overall shooting characteristics.

A bumper is installed inside the buffer tube, behind the recoil spring, to limit rearward bolt travel. By reducing unnecessary bolt movement, the short-stroke setup can help shooters customize the cycling feel of the carbine according to their ammunition, recoil spring, buffer system, and personal preference.

The kit includes 10 different bumper thicknesses, allowing users to test multiple configurations and select the option best suited to their pistol-caliber carbine setup. This makes it useful for competition shooters, reloaders, and users who want to adjust their recoil system for faster follow-up shots and a more controlled shooting feel.

The bumpers are manufactured from durable polymer using modern 3D-printing technology. Their lightweight and practical design makes setup changes quick and straightforward during testing, maintenance, or competition preparation.

Specification:

• Application: PCC bolt travel and recoil system tuning
• Designed for: Pistol-caliber carbines
• Installation position: Inside the buffer tube, behind the recoil spring
• Function: Limits rearward bolt travel
• Adjustment type: Custom short-stroking of the bolt system
• Material: Durable polymer
• Manufacturing technology: Modern 3D printing
• Quantity included: 10 bumpers
• Overall diameter: 25 mm
• Cylinder diameter: 19.5 mm
• Suitable for: Competition shooting, recoil tuning, ammunition testing, and recoil-system configuration

Kit Includes:

• 5 mm / 0.20 in bumper
• 8 mm / 0.31 in bumper
• 10 mm / 0.39 in bumper
• 12 mm / 0.47 in bumper
• 14 mm / 0.55 in bumper
• 16 mm / 0.63 in bumper
• 18 mm / 0.71 in bumper
• 20 mm / 0.79 in bumper
• 23 mm / 0.91 in bumper
• 26 mm / 1.02 in bumper

Features:

• Designed for pistol-caliber carbines
• Includes ten bumper thicknesses for precise setup adjustment
• Allows customized short-stroking of the bolt system
• Helps fine-tune bolt travel and recoil characteristics
• Suitable for testing different ammunition and recoil-system configurations
• Installs inside the buffer tube behind the recoil spring
• Manufactured from durable polymer
• Produced using modern 3D-printing technology
• Lightweight and practical design for quick setup changes

Notes:

• Always verify reliable feeding, extraction, ejection, and bolt operation after changing the short-stroke configuration.
• Select bumper thickness according to the firearm setup, ammunition, recoil spring, and desired shooting characteristics.
• Installation should be performed only when the firearm is completely unloaded.