BLOGS

Technical insights, product drops, and design notes — straight from Heresy.
5.56 vs. .300 BLK

.300 BLK vs. 5.56 NATO – Full Caliber Comparison

Which Caliber is Best for Your Rifle? When it comes to modern rifle cartridges, whether you are building or buying an AR platform or you are looking for something more unique like a Steyr AUG, a popular bullpup rifle in both civilian and military markets, .300 AAC Blackout and 5.56

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SBF Safety Selector for STEYR® AUG® Review

A Must-Have Ergonomic Upgrade If you own a STEYR® AUG® A3 M1, you already know it’s one of the most iconic bullpup rifles ever designed. Reliable, compact, and battle-proven, the AUG platform has earned a legendary reputation. However, even legendary rifles can benefit from thoughtful upgrades. One of the most

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ruger

Ruger 10/22 Review

A Legendary Rimfire Rifle  The Ruger 10/22 is one of the most recognizable and widely used rimfire rifles ever produced. Since its release in 1964, it has earned a reputation for reliability, ease of use, and unmatched versatility. From casual plinking and training to small-game hunting and competition builds, the

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steyr aug vs. m4 carbine

Steyr AUG vs. M4 Rifle

A Head-to-Head Comparison of NATO Rifles When it comes to modern military rifles, the Steyr AUG and the M4 carbine are two of the most iconic and widely discussed weapons in service. Popularized not only by military service but also by well known video games,  Youtubers, and cinema each rifle

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suppressor update 2026

2026 Tax Stamp Update for Suppressors

What Gun Owners Need to Know Suppressors continue to gain momentum across the U.S., and 2026 has reinforced that trend with faster approvals, streamlined digital filing, and improved buyer confidence. While the federal $200 tax stamp remains unchanged, the overall suppressor ownership process is more efficient and user-friendly than ever

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Vendettaâ„¢ Top Cover Rail

Vendettaâ„¢ Top Cover Rail Review

Lightweight, Modular, and Built for Serious Customization If you’re running a Vendetta™ Chassis and looking to expand your mounting options without adding unnecessary weight or bulk, the Vendetta™ Top Cover Rail from Heresy Design is an essential upgrade. Designed with precision, durability, and modularity in mind, this compact rail delivers

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steyr AUG

The Steyr AUG: A Legendary Bullpup Rifle Built for Performance

History, Features, and Performance of the Steyr AUG The Steyr AUG, an iconic bullpup rifle developed by Austrian firearms manufacturer Steyr Mannlicher, has been a standout in military, law enforcement, and civilian markets since its introduction in the late 1970s. It also is fairly popular in civilian markets, with well-known

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NFA Updates and Suppressor Rule Changes Coming in 2026

What Gun Owners Need to Know in the New Year Major changes to federal suppressor regulations take effect in 2026, reshaping how American shooters buy, register, and maintain NFA-regulated items. With the removal of the traditional $200 tax stamp for many NFA categories, the process of acquiring suppressors becomes more accessible

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heresy design silencer timing device

Suppressor Alignment and Silencer Timing Devices

Why It’s Critical and How a Silencer Timing Device Ensures Precision For anyone using a suppressor, also known as a silencer, one of the most important — and often underestimated — factors is alignment. A poorly aligned suppressor can compromise accuracy, damage your firearm, and in some cases, create dangerous

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    14.5″ 5.56 AUG® Conversion Kit COSMETIC BLEM

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    Resonance 22 Silencer

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    Enhanced Magazine Latch for STEYR® AUG®

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    9MM AUG® Conversion Kit- Faux Can NATO Stock

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