FREE SHIPPING ON ALL ORDERS OVER $150!! +12 +11 +10 +9 +8 +7 +6 +5 +4 +3 +2Arcturus AR MOD1 M4 30/130rd Varible Windowed Mid-Cap Magazine$15.99ColourBlackTanGreyPlease chooseIn stock: 50 availableQuantity:1 Add More Add to BagGo to CheckoutSave this product for later Favorite Favorited View FavoritesShare this product with your friendsShareSharePin itArcturus AR MOD1 M4 30/130rd Varible Windowed Mid-Cap MagazineProduct DetailsBrand: Arcturus ENHANCED CONSTRUCTION One-Piece Reinforced Magazine Shell MODULAR INTERNAL Easy Disassembly for Cleaning & Maintenance MODULAR SHELL Quick Replacement for Optional Shells VARIOUS CAPACITY Switchable Mid / Real-Capacity Or High-Capacity LENGTHENED FOLLOWER Snag-Free & Reduce BB Waste IMPACT-ABSORBING DESIGN For Outstanding Reliability REINFORCED MATERIAL For Long-Lasting Durability SPECIFICATION Compatible: M4 / M16 Construction: Polymer Capacity: 30-Round Real-Cap & 130-Round Mid-Cap Mode Switchable Overall Length: 180 mm Overall Width: 65 mm Overall Height: 25 mm Weight: 159 g Show More