The material is steel. Copyability is not 100%. Better to buy one from Angry Gun. But it can be for your money.
[COWCOW Techology] Match Grade Stainless STEEL Slide Stop[For Tokyo Marui HI CAPA GBB Series][BLK]
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Description:
Improve the accuracy and versatility of your Ares / VFC L1A1 AEG GBB Series with [ARES] L1A1 / FAL Top Optic Railed Dust Cover. With a solid aluminum mount featuring a Picatinny-style rail, this replacement dust cover provides a stable base for mounting scopes or electronic sights. Its easy installation and compatibility with universal rifles make it a must-have upgrade for any firearm expert.
Specification:
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