M4A1/SCARv2/UMP45/MP5v2/GEN8 UPGRADED ALLOY TAIL + BEARING PERFECT FIT : BEASTPRO UPGRADE

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  • Regular price $19.99


These are a 100% perfect fit unlike some others around the internet. these will make your shell last a LOT longer. They also allow the spring to spin increasing RPS.

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M4A1/SCARv2/UMP45/MP5v2/GEN8 UPGRADED ALLOY TAIL + BEARING PERFECT FIT : BEASTPRO UPGRADE

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