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MCS (Multi Caliber System)

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Interchangeable Panels for the MCS Railed Forend for Multi-Cal Rifles
Interchangeable Panels for the MCS Railed Forend for Multi-Cal Rifles

Handguards & Grips

Part Number: INTERCHANGEABLE-PANELS-FOR-THE-MCS-RAILED-FOREND-FOR-MULTI-CAL-RIFLES

From $15.00
Interchangeable Panels for the MCS Railed Forend for Multi-Cal Rifles

Interchangeable Panels for the MCS Railed Forend for Multi-Cal Rifles

$29.00

A unique feature of Windham Weaponry‘s new lightweight MCS Railed Forend is interchangeable panel mounting which offers great flexibility in mounting additional accessories, or changing the look and feel of the forend. Panels can be had in KeyMod; “Snakeskin”; M-Lok; “Frag” and Picatinny Rail (either 5 slot or 11 slot configurations) patterns (t...


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MCS Multi-Caliber .300 Blackout/7.62x39 Upper Receiver Assembly Kit for AR15 / M16
MCS Multi-Caliber .300 Blackout/7.62x39 Upper Receiver Assembly Kit for AR15 / M16

MCS Multi-Caliber .300 Blackout/7.62x39 Upper Receiver Assembly Kit for AR15 / M16

$999.00

<iframe width="500" height="315" src="https://www.youtube.com/embed/P6HtMb6Bi78" frameborder="0" allowfullscreen></iframe>Windham Weaponry's Multi-Caliber .300 Blackout/7.62x39 Upper Receiver Assembly Kit will quickly upgrade any Mil Spec AR15 Type Rifle. It offers easy caliber changes by simply switching out the barrel, and if neces...


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MCS Multi-Caliber Upper Receiver Assembly Kit for .223/5.56 with .300 Blackout.
MCS Multi-Caliber Upper Receiver Assembly Kit for .223/5.56 with .300 Blackout.

MCS Multi-Caliber Upper Receiver Assembly Kit for .223/5.56 with .300 Blackout.

$899.00

The Windham Weaponry Multi-Caliber Upper Receiver Assembly Kit is designed as a unique upgrade for the AR15 Type Rifle - offering quick & easy caliber changes by simply switching out the barrel, and if necessary, the Bolt/Bolt Carrier and Magazine. This Kit-MCS1 is completely "ready for the range" once you add the optic or iron sights of you...


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MCS Multi-Caliber Upper Receiver Assembly Kit for .223/5.56 with 7.62x39
MCS Multi-Caliber Upper Receiver Assembly Kit for .223/5.56 with 7.62x39

7.62 x 39mm Upper Receivers & Parts

Part Number: KIT-MCS2

$999.00
MCS Multi-Caliber Upper Receiver Assembly Kit for .223/5.56 with 7.62x39

MCS Multi-Caliber Upper Receiver Assembly Kit for .223/5.56 with 7.62x39

$999.00

The Windham Weaponry Multi-Caliber Upper Receiver Assembly Kit is designed as a unique upgrade for the AR15 Type Rifle - offering quick & easy caliber changes by simply switching out the barrel, and if necessary, the Bolt/Bolt Carrier and Magazine. This Kit-MCS2 is completely "ready for the range" once you add the optic or iron sights of you...


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MCS Railed Forend with Interchangeable Panels for Multi-Cal Rifles
MCS Railed Forend with Interchangeable Panels for Multi-Cal Rifles

Handguards & Grips

Part Number: HGD-MCS-12

$179.95
MCS Railed Forend with Interchangeable Panels for Multi-Cal Rifles

MCS Railed Forend with Interchangeable Panels for Multi-Cal Rifles

$179.95

Windham Weaponry now has a new lightweight Railed Forend for its MCS Multi-Caliber System. This Free-float Handguard features 6 panel mounting locations, QD sling swivel pockets, and includes 6 “snakeskin” panels with screws. It is machined from 6061 T6 aluminum with a Mil Spec Type III Black hardcoat anodize finish. Additional panel sets (3 ea....


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