![MKM GBB Replacement Parts (128) - Hop Up Collar](http://pts-steelshop.com/cdn/shop/products/MegaPart_128_-HopUpCollar.jpg?v=1655799802&width=2250)
MKM GBB Replacement Parts (128) - Hop Up Collar
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Mega Arms MKM GBB Replacement Parts (128) - Hop Up Collar
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![MKM GBB Replacement Parts (128) - Hop Up Collar](http://pts-steelshop.com/cdn/shop/products/MegaPart_128_-HopUpCollar.jpg?v=1655799802&width=2250)
MKM GBB Replacement Parts (128) - Hop Up Collar
Sale priceHK$34.00