Evike.com's "The Gun Corner" features the Echo1 Robinson Armament Polymer XCR-P AEG... "The Echo1 XCR-P (Pistol) Polymer features everything you loved about the original XCR in a light-weight and more economical package. It features a polymer body, standard Version 2 gearbox, and is wired to the front with a PEQ Box battery compartment.

Features:

• Lightweight, durable, high quality polymer upper and lower receiver, and motor grip
• Fully licensed Robinson Armament trademarks
• Integrated rail system with monolithic upper receiver
• Full metal outer barrel, charging handle, and rear plate
• Steel sling attachment point
• 300rd high capacity magazine included
• 8.4v Large Type Battery w/ PEQ2 box and charger included
• Reinforced version 2 full metal, fully upgradeable gearbox
• One piece metal hopup with Madbull Bucking

Specifications:

• Length: 450mm
• Weight: 1580g
• Inner Barrel: ~180mm
• Magazine Capacity: 300rd Hi-Capacity. Works with Matrix, G&G, Tokyo Marui and other compatible M4 / M16 Series Airsoft AEG Magazines
• Muzzle Velocity: ~365 FPS (Measured with 0.20g BBs)
• Thread Direction: 14mm Negative
• Gearbox: Ver 2 Full Metal, Fully Upgradeable
• Motor: Long Type
• Fire Modes: Semi/Full-Auto, Safety
• Package Includes: Gun, Magazine, Manual, PEQ Battery Box, Battery, and Charger
• Battery: 8.4v Small Type Recommended
• Hopup: Yes, Adjustable"