PBA Small Frame Lower Receivers

Our entry level lower receiver includes:

  • Aero Precision M4E1 Enhanced Lower
  • Mil-Spec Small Parts
  • Schmid Tool Single Stage GI Trigger
  • Schmid Tool Receiver Extension
  • Mil-Spec Furniture
  • H1 Buffer and Round Wire Spring

Our mid-tier lower receiver includes the following upgrades over our EM model:

  • HIPERFIRE EDTHG Trigger
  • Radian Talon Ambidextrous Safety
  • Odin Works XMR3 Magazine Release
  • Aero Precision Enhanced Receiver Extension
  • ERGO 2 Suregrip Pistol Grip
  • Magpul MOE Buttstock
  • Battle Arms Development Pivot/Takedown Pins
  • David Tubb Flat Wire Spring

Our top-tier lower receiver includes the following upgrades over our DC model:

  • Geissele SSA-E Trigger
  • Magpul CTR Buttstock
  • JP Enterprises SCS-2 Capture Buffer Spring and BRP
  • Magpul B.A.D. Lever Ambidextrous Bolt Release
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