Author: NDZ Performance

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NDZ Performance

NDZ Performance

NDZ Performance is a U.S.-based manufacturer of aftermarket firearm accessories and parts, founded by David Dziob and Antonin Blazek in 2004 and headquartered in Wallingford, Connecticut. Operating a fully equipped in-house CNC shop with 3D printing, CNC milling, lathes, and laser engraving, NDZ produces custom and performance upgrade parts for Glock, Sig Sauer, Smith & Wesson, Springfield Armory, Ruger, CZ, Beretta, Mossberg, Remington, AR-15, AK-47, and more — including guide rods, custom slides, slide cover plates, and magazine base plates. Articles on this blog share product insights, installation guides, and real-world testing to help shooters make informed upgrade decisions.
The image is a YouTube thumbnail for NDZPerformance, featuring a dynamic design that blends a professional and tactical theme. On the left, bold white text reads, "AR-15 Barrels: Government, Pencil, & M4 Profiles Explained," accented by a yellow underline and an arrow drawing attention to the headline. A rugged black and yellow torn-edge border separates the text area from the right, where a man in shooting gear is seen aiming an AR-15 rifle outdoors. The scene captures an autumnal backdrop, adding a natural and engaging visual contrast. The NDZPerformance logo is positioned at the top left, with a prominent "Subscribe" call-to-action in yellow at the bottom left, accompanied by a YouTube play icon.

Last updated: March 2026 Quick Answer: The three main AR-15 barrel profiles are Government (heavy under the gas block, lightens toward muzzle),

NDZ equipped Firearm enhancing grip and control with a custom magwell upgrade, shown in hand against an outdoor backdrop, highlighting precision and customization

Last updated: March 2026 Quick Answer: NDZ Performance specializes in precision-machined, American-made firearm upgrades for Glock, SIG Sauer, Ruger, and Springfield platforms.

Shooting Range Training

Last updated: March 2026 Quick Answer: Structured shooting range training — with specific drills, documented baselines, and skill-focused sessions — produces faster

R-15 bolt carrier group and dust cover by NDZ, featuring laser engravings perfect for beginner firearm upgrades with NDZ. The dust cover displays 'Liberty or Death' with the Gadsden snake and 'Don't Tread on Me,' while the bolt carrier is engraved with '1776' and stars. The background shows a partial view of the American flag

Looking to enhance your firearm as a beginner? NDZ Performance specializes in high-quality, easy-to-install upgrades for Glock and AR-15 firearms. Our beginner-friendly

Two individuals discussing handgun upgrades while examining a disassembled handgun, focusing on the slide and internal components

Last updated: March 2026 Quick Answer: The five steps to maximize handgun performance after an upgrade are: verify function with snap caps

Close-up of a shooter aiming at a paper target to improve shooting accuracy during target practice, showing precise shot groupings on the bullseye

Last updated: March 2026 Quick Answer: Improving shooting accuracy requires both proper fundamentals and the right equipment. Focus on grip consistency, sight

Shooting instructor pointing at a target with shot groupings at an indoor shooting range, discussing shot grouping improvement with a student. Both are wearing hearing protection and safety glasses, highlighting firearm accuracy training and shot placement correction.

Last updated: March 2026 Quick Answer: Tight shot grouping comes from consistent fundamentals: grip pressure, stance, sight picture, and trigger press. A

man with owner choosing handgun in gun shop

Last updated: March 2026 Quick Answer: Before buying a firearm, determine your primary use (concealed carry, home defense, or sport), confirm the

Handgun with a mounted flashlight and suppressor, placed on a dark leather surface with bullets nearby, illuminated by red and blue lighting.

Last updated: March 2026 Quick Answer: The ideal home defense handgun has a 15+ round capacity, a rail for a weapon light,

SIG P365 magazine floor plate Laser Engraved two-tone black

Last updated: March 2026 Quick Answer: Magazine extensions add 2–5 rounds to standard capacity by replacing the base plate with an extended