ET Arms PlumCrazy Gen II Complete AR-15 Lower Receiver w/ M4 Buttstock

The ET Arms PlumCrazy Gen II Complete Lower Receiver w/ M4 Buttstock is engineered for the acceptance of mil-spec components and works on any AR-15 upper receiver!

Milled from a proprietary variant of glass-filled nylon-6, the PlumCrazy multi-cal lower receiver is more resilient to damage than traditional aluminum lowers. Durable & lightweight — with exceptional structural integrity and excellent chemical resistance — these ET GEN II receivers have been proven on training ranges with round counts of 50-97k cycled through with no issues.

The ET Arms PlumCrazy GEN II AR-15 complete multi-caliber lower receiver — continues to exceed expectations and redefine the standards for what an AR polymer lower receiver can be. 

Features

• Milled from premium, glass-filled nylon-6 polymer
• Winter/over-sized trigger guard
• Improved ergonomic grip w/ trap door
• Polymer buffer tube with 6-position collapsible/adjustable stock
• Fire controls require no lubrication
• Castle nut has been factory torqued and staked
• Lighter & stronger than aluminum — can be run over at the mag well without being crushed
• Retains color when scratched — scratches can be removed with WD-40 and a green scratch pad
• New to Gen II: Reinforced water line and internal pocket radius toward the rear of the trigger, which eliminates a previous issue with the backstrap breaking

Please Note: Manufacturers warranty will be void if:

• The seal is broken — DO NOT tighten the castle nut — The castle nut is factory torqued with a special plastic indicator seal in it.
• Installed on a pistol upper — Lower CANNOT be used to build an AR pistol.

DISCLAIMER: Firearms/receivers are subject to state-specific shipping restrictions and must be transferred through a valid FFL dealer. Receivers cannot be shipped to CA, CO, CT, DE, MD, MA, NJ, NY. Please visit our shipping restrictions page to review all applicable restrictions for your state. Subject to change.