New Army M-10 bayonet! (pics)
 

Okay, so it's not really official, but it just as well could be:

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ONTARIO M10 US ARMY BAYONET

Newly redesigned for updated specifications, the M-10 bayonet repleaces the M9 with additional features: MOLLE / PALS webbing attachment on the sheath, allowing it to fit the Interceptor style body armor or similarly equipped vests, sleek ergonomic handle, and Coyote brown handle & sheath coloring for increased camoflage in multiple environments.

The Dynaflex® Handle isergonomically grooved to reduce hand fatigue with positioning access point for quick redirect of positioning of blade in reduced visibility situations.

Like the M9, the M-10 features integral wire cutters built into the sheath.

Length, Overall: 12 5/16"
Blade Length: 7 1/4"
Blade Material: Carbon Steel
Handle Length: 4 7/8"
Handle Material: Dynaflex
Weight: 15.6 oz
Sheath Material: Thermoplastic

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Basically, it is the M-9 bayonet with improved features, such as carbon steel blade and sheath with PALS webbing:
http://i87.photobucket.com/albums/k1...inus/m10-1.jpg

The main differance in the sheath is that it no longer has the molded-in side loops of the M-9's sheath, as you can loop leg retaining straps through the PALS webbing:
http://i87.photobucket.com/albums/k1...inus/m10-2.jpg

The PALS-compatible hangar has a Fastex buckle so you can quickly detach the sheath:
http://i87.photobucket.com/albums/k1...inus/m10-3.jpg

The wire-cutting feature is retained from the M-9:
http://i87.photobucket.com/albums/k1...inus/m10-4.jpg

The blade is the same shape as the improved M-9, with no fullers:
http://i87.photobucket.com/albums/k1...inus/m10-5.jpg

Bayonet mounted:
http://i87.photobucket.com/albums/k1...inus/m10-6.jpg

A more dramatic angle:
http://i87.photobucket.com/albums/k1...inus/m10-7.jpg