Here it is..
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HK MP5 .22 & GSG5 Lighted Forearm - HKPARTS
Built to replace the standard GSG522PK furniture while still providing two picatinny mounting surfaces for tactical accessories like vertical grips, lights or lasers. Features: Bolt-on replacement handguard Polymer and glass fiber handguard GSG-5, GSG-5P, GSG522 4ozhkparts.net
I got cha now, it's the .22LR rated light. Still a good price since you can't get them anywhere.
