BAD-PDW Monolithic PDW Lower Receiver + VERT® Stock System

BAD-PDW Monolithic PDW Lower Receiver + VERT® Stock System

Regular Price: $975.00

Special Price $899.00

BAD-PDW™ Lower Receiver -  Monolithidc PDW Lower Receiver & VERT® Stock System

  • Monolithic Design

  • Continous Cheek Weld

  • Self-Contained Ultra Compact Buffer System 

  • No Special BCG Required!  *Compatible with MilSpec M16 Bolt carrier*

  • Ultra Compact Stock System 4.75" Long Fully Collapsed, 8.75" Long Fully Extended

  • Built-in Ambidextrous Bolt Release

  • Built-in Ambidextrous Magazine Release

  • Multiple Patents Pending

Complete Lower Receiver Set (Less Trigger Group) - See detailed description for complete list


  • Will not work with solid filled 9mm bolt carrier (See 9mm VERT Buffer)

  • VERT® buffer system is designed for 5.56/.223 direct gas impingement system 

  • Use of NICKLE BORON Bolt Carrier may cause damage to the buffer system due to the I.D. (Inside Diameter) of the BCG being undersized

  • Inside, rear cavity of the bolt carrier must be .625" diameter x .625" deep minimum to clear the buffer.  Damage may occur if proper clearance isn't met.

  • NOTE: The BAD-PDW™, BAD-CSS™ and Ultra Compact Pistol SABERTUBE® using the patented VERT® buffer system have been tested on industry standard, factory Colt 6920 (direct impingement) to be a drop-in stock system using factory 5.56/.223 ammunition. However, due to the limitless possible configurations of the AR-15 rifle system from aftermarket components and the variety of ammunition used, the rifle may be under gassed for the VERT® buffer system. Some adjustments or modification may be required. The most common adjustment if the bolt fails to lock back on the last round is to open the barrel gas port diameter to increase the gas into the system to fully cycle and compress the inner buffer spring for reliable operation. An adjustable gas block, adjustable gas key or adjustable bolt carrier is recommended for tuning the gas system.

    The VERT® buffer system have been tested successfully with 300BLK direct impingement AR platforms in semi-auto and full-auto fire. However, the rifle system must be configured properly. 300BLK supersonic and 300BLK subsonic ammunition have drastically different characteristics. They will also perform differently suppressed and unsuppressed. The rifle may be tuned to function on one end of the spectrum or the other. Please do not expect the stock to run on the same rifle configuration between shooting suppressed vs. unsuppressed and supersonic vs. subsonic.

    The system should be configured, installed and function checked by a qualified gunsmith for reliable and safe operation.

    FEDERAL FIREARMS LICENSE REQUIRED - Please have your dealer email a signed copy of their FFL License to or FAX to 702.948.4472 and reference your name & order # to avoid any delays in processing.





BAD-PDW Monolithic PDW Lower Receiver & VERT® Stock System

{Complete Lower Kit Less Trigger Group}


  • Built-In PDW Stock System
  • Ultra Compact Design - 4.75in Stock Length for Ultimate Concealment
  • Proprietary Ultra Compact Buffer & Recoil Spring System - Compatible with MilSpec M16/AR15 Bolt Carrier 
  • Self Contained Buffer System - No Proprietary Bolt Carrier Required!  Ability to "Shotgun" the Upper
  • Monolithic Engineering - Receiver and PDW Stock Housing Precision CNC From Single Block of Billet 7075-T6 Aircraft Grade Aluminum for Superior Strength and Lightweight Design
  • Interchangeable Cheek Rest for Versatility (Color Cheek Rest Options Available In the Future)
  • Continuous Cheek Weld for Ultimate Comfort and Stability/Accuracy
  • Billet CNC Milled 7075-T6 Aluminum Buttstock
  • Build-In, Integral QD Sling Point at  Buttstock
  • Heat Treat & Harden S7 Tool Steel .315in Dia. Guide Rods for Ultimate Impact Strength and Durability
  • No Metal-To-Metal Contact between Guide Rods and Receiver Housing 
  • New Industry Standard in Smooth Stock Operation with Linear Motion Guide Bushings
  • (4) Locking Stock Positions - Lockable in Both Direction.  From 4.75in Fully Collapsed to 8.75in Fully Extended (measured from rear of receiver to end of stock)
  • Dimpled Locking Stops with Stainless Steel Ball Bearing & S7 Tool Steel Locking Latch
  • Ambidextrous Bolt Release (hardware included)
  • Ambidextrous Magazine Release (hardware included)
  • MIL-A-8625F, Type III, Class 2, Hard Anodized Flat Black Finish
  • Compatible with TDP/Mil-Standard AR Lower Receiver Parts (except for built-in proprietary components)
  • Dimensional Accuracy Inspection
  • All Sharp Edges De-Burred Sharp by Hand
  • Pictograph Selector Markings Properly Marked for 90° Safety or  BAD-ASS-ST / BAD-CASS-SA-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
  • Multi Caliber Marking for Build Versatility
  • Flared, Deep Beveled Magwell
  • 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
  • Laser Engraved Logo
  • Patents Pending: Monolithic Design, Stock Locking Mechanism, and Ultra Compact Buffer & Recoil Spring System

Additional Components Include:

  • BAD-CASS-SA-ST - Combat Ambidextrous Safety Selector - 50°/90° Reversible - Standard & Short Lever
  • BAD-ATG - Battle Arms Development Adjustable Tactical Grip - 3 Grips-In-One - 3 Different Angles
  • BAD-EMMR-L-B - Enhanced Modular Magazine Release - Large Finger Pad - Black (Large Finger Pad may be replaced by Medium Finger Pad Pending Inventory Levels)
  • BAD-EPS™ - Enhanced Pin Set (Enhanced Pivot Pin & Enhanced Takedown Pin)
  • BAD-EBC™ - Enhanced Bolt Catch - CNC from Billet Steel
  • MilSpec Magazine Release & Spring
  • Bolt Catch Detent & Spring
  • Buffer Detent & Spring


  • Will not work with solid filled 9mm bolt carrier. See our 9mm compatible VERT® Stock.
  • VERT ® buffer system is designed for 5.56/.223 direct gas impingement system. Will also work on 300BLK DI system as well but must have appropriate gas port size. 
  • Use of NICKEL BORON Coated Bolt Carrier may cause damage to the buffer system due to the I.D. (Inside Diameter) of the BCG being undersized
  • Inside, the rear cavity of the bolt carrier must be .625in diameter x .625in deep minimum to clear the buffer.  Damage may occur if proper clearance isn't met.

Not Included:

Trigger Group (Trigger, Hammer, Disconnector, Trigger Pin, Hammer Pin, Trigger Spring, Hammer Spring, Disconnector Spring)


EXPORT NOTICE: This product and/or its components is subject to the Arms Export Control Act (AECA), the Export Administration Act (EAA) as continued in effect under the International Emergency Economic Powers Act (IEEPA), the International Traffic In Arms Regulations (ITAR, 22 CFR Parts 120-130), the Export Administration Regulations (EAR) and the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) Regulations. Export is strictly prohibited without authorization or a license issued by the U.S. Department of State's Directorate of Defense Trade Controls. Any documents, drawings, prints, etc. that can be viewed, downloaded, or printed from our website may contain technical data which may not be exported outside of the United States or released/disclosed to non-US persons (i.e. persons who are not US citizens or lawful permanent residents) inside of the United States, without prior written authorization by the relevant US Government agency. Penalties for violation of U.S. export laws and regulations can reach $1,000,000 per violation and include up to 10 years imprisonment.

Additional Information

Additional Information

UPC 100-018-166
Cerakote Color No