Components of the Windham Weaponry MCS Multi-Caliber System have been configured into an easily carried back-pack survival system for those wanting to take it afield, or keep handy for survival scenarios. It includes MCS Upper & Lower components for .223/5.56mm caliber, 9mm and .22LR caliber, as well as emergency gear such as a space blanket, water filtration kit, sewing, fishing and fire starting gear – all packed into a quality, multi-layer, compartmented backpack (shown below both closed, and opened to its several layers).

The Bug-Out Bag System consists of:

• RMCS Lower Receiver with .223 & 9mm interchangeable Magazine Wells
• RMCS Upper Receiver with fixed Quad Rail Forend and Barrel Locking Mechanism
• 2 Barrels: 16” .223 Rem. / 5.56 NATO in M4 Profile, Chrome Lined w M4 Feed Ramps & a 16“9mm Barrel with Melonite Finish – also a 9mm Blowback Bolt, and a 9mm Buffer
• 3 Calibers: .223/5.56, 9mm & .22LR (functions with CMMG conversion kit and fires through .223 barrel)
• Magazines: .223 Rem/5.56 NATO – 30 Rounds / 9mm – 20 Rounds and .22LR – 25 Rounds
• Rifling: .223/5.56 Bbl. – 1 turn in 9” – 9mm Bbl. – 1 turn in 10”
• Buttstock: Mission First Tactical (MFT) Minimalist Stock
• Forend: Integral Free Floating Quad Rail Forend
• Pistol Grip: A2 Black Plastic Pistol Grip
• Rear Sight: None, ready for accessory sights or optics of choice
• Front Sight: None, Mil Std 1913 Rail Gas Block ready for accessory sights
• Includes: Compartmented Backpack with pouches for all components constructed of Lightweight Nylon Shell and
• 500 Denier Nylon interior for maximum durability; Shoulder Straps & Waist Belt; Space Blanket, Frontier Straw Water
• Filtration Kit; Sewing Kit, Fishing Kit & Fire Starter Kit.
• Warranty: Windham Weaponry Transferable Lifetime Warranty

*This comprehensive Survival Kit is packed in a 9“ X 6“ Waterproof Aloksak Bag (made in the USA), and its Mil-Spec Repair Kit in a 5“ x 4“ Aloksak Bag (made/assembled in the USA). Click here to view the content or to purchase separately.