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RSR Stock #: BAD556-AMBI-SET
Manufacturer Part #: BAD556-AMBI-SET
UPC: 810033782190

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Battle Arms Development, Semi-automatic, AR, Stripped Upper/Lower Receiver Set, 223 Remington/556NATO, Anodized Finish, Black, Ambidextrous


WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to


"GLOCK” is a federally registered trademark of GLOCK, Inc. and is one of many trademarks owned by GLOCK, Inc. or GLOCK Ges.m.b.H.  Neither RSR Group, Inc. nor this site are affiliated in any manner with, or otherwise endorsed by, GLOCK, Inc. or GLOCK Ges.m.b.H.  The use of “GLOCK” on this page is merely to advertise the sale of GLOCK pistols, parts, or components.  For genuine GLOCK, Inc. and GLOCK Ges.m.b.H. products and parts visit

  • Multi Caliber Marking for Build Versatility
  • Flared, Deep Beveled Magazine well
  • Easy in Install Set Screw Bolt Catch Pin (Pin Included)
  • Captured Takedown Pin Detent Spring (Set Screw Included)
  • Upper/Lower Receiver Tension Screw (Screw included)
  • Integrated Trigger Guard
  • All Components, material, and packaging made in the USA
  • Built in Ambi Bolt release and magazine Release

Product Description

BAD556 Ambidextrous Lightweight Billet Lower Receiver in 7075-T6 Aircraft Grade Aluminum. Precision CNC from Billet 7075-T6 Aerospace Aluminum. Patent Pending Lightweight Design. Laser Engraved Logo. MIL-A-8625F, Type III, Class 2, Hard Anodized Black Finish. Compatible with TDP/Mil Standard AR Lower Receiver Parts. Dimensional Accuracy Inspection. All Sharp Edges De-Burred Sharp by Hand. Pictograph Selector Markings Properly Marked for 90 degree Safety or BAD-ASS-ST / BAD-CASS-ST Short Throw Ambidextrous Safety Selectors. Receiver Safety Selector Hole & Internal Wall Machined with Relief Cut for Battle Arms Development "SHORT-THROW / REVERSIBLE" Ambidextrous Safety Selectors.