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

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

  • Sale
  • $13.00
Shipping calculated at checkout.
The Pro Arms SIG55 & M4 130 BB Mid-Cap Magazines with Coupler is evocative, to say the least, but that's why you're drawn to it in the first place.

Inventory Last Updated: Jul 22, 2026