Phantom Pup Mk 2

The Phantom Pup V1 - A bullpup lower receiver for bufferless AR-15 Style upper receivers. Currently compatible with the Foxtrot Mike FM-15 Gen 2 & PSA Jakl. BRN-180 is also likely compatible. ___________________________________ 1-31-25 Mk 2 released! Redesigned lower receiver with shorter LOP and minor improvements Added BRN 180 Adapter. Added CMMG Dissent Adapter (untested) Added TPU buffers. Added laser cut magazine catch (untested) Redesign FM15 & Jakl Stocks (V1 is foward compatible). Redesign Trigger (V1 is foward compatible with minor modification). Updated instructions LBRY Tags: 3d print; firearm; bullpup