Automatic Knife Brand Guide: Microtech, Benchmade, Protech, Heretic & More

Not all automatic knife brands are built to the same standard. Manufacturing location, quality control, warranty support, steel selection, and design philosophy vary dramatically across the market. This guide breaks down the top brands we carry at Southern Sporting Goods LLC so you can shop with confidence.

Microtech Knives (USA)

Microtech is the gold standard for OTF (out-the-front) automatic knives. Founded in 1994 and manufactured in Bradford, Pennsylvania, Microtech is known for CNC-machined aluminum and G-10 handles, extremely tight tolerances, and a premium steel lineup that includes M390MK, M390, D2, and Elmax.

Who It’s For

Collectors, serious EDC users, and professionals who want the best OTF on the market and are willing to pay for it.

Flagship Models

• Ultratech — The benchmark double-action OTF. Available in dozens of blade styles and finishes. Widely considered the definitive production OTF knife.
• Combat Troodon — Larger, tactical double-action OTF with a longer blade. Favored by collectors and hard users.
• Scarab II — Compact, robust OTF with exceptional fit and finish. Great for EDC.
• MSI — Newer generation model featuring M390MK steel and updated ergonomics.

Quality & Warranty

Microtech offers a lifetime warranty against manufacturing defects and a repair/replacement program. Customer service is handled in-house. Tolerances and finish quality are industry-leading for production knives.

Price Range

$200–$600+ depending on model, finish, and steel.

Benchmade Knife Company (USA)

Benchmade is one of America’s most respected knife manufacturers, based in Oregon City, Oregon. Known for precision manufacturing, the proprietary AXIS lock system, and a wide range of blade steels from 154CM to S30V and M390. Their LifeSharp service offers free sharpening for the life of the knife.

Who It’s For

Buyers who want American-made quality, proven lock reliability, and strong warranty and service support. Excellent for first-time automatic buyers and experienced collectors alike.

Flagship Automatic Models

• Infidel (3300) — Benchmade’s flagship OTF. Double-action, D2 steel, aluminum handle. Precise, snappy deployment with excellent lockup.
• Autocrat (3400) — A side-opening automatic folder with S30V steel and aluminum handle. One of the best production automatic folders on the market.
• Pagan (4600) — Compact automatic folder with a more aggressive aesthetic. Great for EDC.

Quality & Warranty

Benchmade backs every knife with a lifetime warranty and their LifeSharp program. Customer service is consistently rated among the best in the industry.

Price Range

$180–$450+ depending on model and steel.

Protech Knives (USA)

Protech is a California-based manufacturer specializing in American-made automatic folders. Since 1999, Protech has built a reputation for smooth, snappy action, tight tolerances, and stout build quality at a price point slightly below Microtech and Benchmade. Steel options include 154CM and 20CV depending on the model.

Who It’s For

Buyers who want a premium American-made automatic folder — not an OTF — with exceptional action and everyday reliability. A favorite among first-time premium auto buyers.

Flagship Models

• TR-3 — The classic Protech workhorse. Aluminum handle, dependable action, available in multiple blade steels and finishes.
• TR-4 — Slightly larger than the TR-3 with a longer blade. Great for users with larger hands.
• Godfather — Protech’s upscale stiletto-style automatic. Slim, elegant, and built to collector standards.
• Runt — Compact frame with a powerful spring. Excellent for pocket carry.

Quality & Warranty

Protech offers a lifetime warranty on all knives against manufacturing defects. Their small-batch production model results in consistent quality.

Price Range

$150–$350+ depending on model and finish.

Heretic Knives (USA)

Heretic is a California-based brand known for design-forward automatic knives with a strong cult following among collectors. Their knives feature anodized aluminum handles, bold aesthetics, and M390 steel across most of the lineup. The Manticore OTF series is their flagship product family.

Who It’s For

Collectors and EDC users who want a premium OTF with distinctive design, excellent materials, and strong value relative to Microtech pricing.

Flagship Models

• Manticore-X — Full-size double-action OTF with aluminum handle and M390 steel. Excellent fit and finish.
• Manticore-E — Compact version of the Manticore-X. Great for carry-focused users.
• Sleight — Automatic folder with clean lines and M390 steel. A strong EDC option.

Quality & Warranty

Heretic offers a limited lifetime warranty. Quality control is strong for the price point — many collectors consider Heretic the best value in premium OTF knives.

Price Range

$180–$400+ depending on model and configuration.

Piranha Knives (USA)

Piranha is a Colorado-based brand offering American-made automatic folders and OTF knives at a mid-range price point. A great entry point for buyers new to premium automatic knives, with solid build quality and dependable action at accessible prices.

Who It’s For

First-time automatic knife buyers, everyday carry users who want American-made quality without premium pricing, and buyers looking to explore the automatic knife category before committing to higher-end brands.

Flagship Models

• Bodyguard — Compact automatic folder with aluminum handle. Clean, dependable, and pocketable.
• Attack — Larger automatic folder with a more aggressive profile. Good for hard users.
• Virus OTF — Piranha’s double-action OTF offering at a mid-range price point.

Quality & Warranty

Piranha backs their knives with a lifetime warranty. Build quality punches above its price point consistently.

Price Range

$100–$220+ depending on model.

Brand Comparison at a Glance

Which Brand Should You Choose?

• Best OTF overall: Microtech — unmatched precision and the widest model range
• Best folder overall: Benchmade or Protech — both deliver exceptional American-made automatic folders
• Best value OTF: Heretic — M390 steel and premium construction at a competitive price
• Best entry point: Piranha — American-made, reliable, and accessible
• Best warranty & service: Benchmade — LifeSharp program and industry-leading customer support

Note: Automatic knife ownership, purchase, transport, and carry laws vary by state and jurisdiction. Always confirm current applicable laws before ordering or carrying any automatic knife. Southern Sporting Goods LLC assumes no liability for unlawful use.