Spyderco Para Military 2 Lightweight PlainEdge (C81PBK2)

Spyderco C81PBK2 Para Military 2 Lightweight PlainEdge is a lighter, more pocket-friendly evolution of Spyderco’s iconic Para Military 2 (PM2), released as part of Spyderco’s 50th anniversary celebrations in 2026.

Overview

The PM2 has long been one of the most popular and highly regarded folding knives in the world — praised for its balance of size, ergonomics, strength, and performance. The Lightweight variant keeps the core DNA of the original while shedding significant weight by swapping the G-10 scales and nested liners for injection-molded Fiberglass Reinforced Nylon (FRN) handles. This makes it ideal for users who want PM2 capability without the bulk.

Key Specifications

Model: Para Military 2 Lightweight PlainEdge

Blade Steel: CTS-BD1N (nitrogen-enriched stainless steel) — offers excellent edge retention, corrosion resistance, and ease of sharpening

Blade Length: 3.45″ (approx. 8.76 cm)

Cutting Edge: ~3.05″

Overall Length: 8.26–8.29″

Closed Length: 4.82″

Blade Thickness: 0.145–0.15″ (3.7 mm)

Handle Material: Black FRN with Bi-Directional Texture™ for superior grip

Weight: Approximately 2.8 oz (78–80g) — roughly 1 oz lighter than the standard G-10 PM2

Lock: Compression Lock (modified/streamlined for reduced weight)

Deployment: Spyderco Round Hole (thumb hole) with smooth washer pivot

Clip: Deep-carry wire clip, reversible for left/right-hand, tip-up carry

Grind: Full flat grind

Origin: Made in Golden, Colorado, USA

Edge: PlainEdge (non-serrated)

Design & Features

The C81PBK2 retains the PM2’s proven ergonomics: a comfortable handle with a pronounced finger choil, thumb ramp, and excellent control for a variety of cutting tasks. The FRN scales are textured with Spyderco’s Bi-Directional pattern, providing secure grip even when wet or with gloves, while remaining lighter and more corrosion-resistant than G-10.

The Compression Lock is a standout — it’s incredibly strong, allows easy one-handed closing, and keeps your fingers safely away from the edge. The full-flat-ground blade excels at slicing, food prep, and general utility work, with a versatile clip-point shape.

This lightweight model uses CTS-BD1N steel, which prioritizes ease of maintenance and good performance over the premium CPM S45VN often found in standard PM2s. It’s a great choice for users who prefer a stainless steel that touches up quickly on a stone.

How It Compares to the Standard PM2

Weight: Significantly lighter (~2.8 oz vs ~3.75–3.9 oz) — better for all-day carry.

Feel: FRN handles are slightly more rounded/radiused; the knife feels slimmer in the pocket.

Strength: Still very rigid and durable thanks to the steel liners and robust lock, though the G-10 version feels more “bombproof” to some users.

Steel: CTS-BD1N (easier sharpening) vs typically S45VN (higher edge retention).

Many users report preferring the Lightweight for everyday carry, while keeping the G-10 version for harder use.

Who It’s For

The Para Military 2 Lightweight is an excellent EDC (everyday carry) knife for those who need a capable, larger folder without excessive weight. It suits military, law enforcement, outdoor enthusiasts, and general users who value Spyderco’s quality, one-handed operation, and USA-made construction.

It shines at slicing, box opening, food prep, and light tactical/utility tasks. If you love the PM2 platform but want something that disappears better in the pocket, this is a fantastic option.