Pro Arms SIG55 & M4 130 BB Mid-Cap Magazines with Coupler

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These PRO ARMS SIG55 midcap magazines hold 130 BBs each and are refilled with a speed loader. This 2-magazine bundle comes with a coupler that holds the magazines together with just enough room between the two mags to have them fit in and around the mag well, eliminating the need to pull a new mag out of a pouch to reload. 


  • (2) Pro Arms Polymer Midcap Magazines
  • 130 BB capacity each magazine
  • (1) Coupler Included to hold magazines together
  • Polymer Construction
  • SIG55 and Most M4 Style AEGs
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