Free shipping over $999 · Firearms ship to your Iowa FFL dealerDes Moines and all 99 Iowa countiesFind your city · Shipping & FFL
Home / Shop / Lower Receivers
Spike's Tactical Spider MK4 Complete .223 Remington Black Lower Receiver

The Spike’s Tactical Spider MK4 complete .223 Remington / 5.56mm NATO lower receiver is built as a semi-automatic AR-15 style foundation with a 6-position collapsible stock setup and a mil-spec buffer tube. It arrives in a black finish and includes the ST-T2 tungsten heavy buffer for reliable operation as part of your assembled AR platform.

Key features

  • Complete AR-15 style lower receiver built for .223 Remington / 5.56mm NATO upper compatibility
  • Semi-automatic fire control group and AR-15 style manual safety selector
  • 6-position collapsible stock configuration for adjustable fit
  • Mil-spec buffer tube with ST-T2 tungsten heavy buffer included

Pair this Spider MK4 lower with your preferred upper to build a dependable .223 Remington / 5.56mm NATO AR-15 style rifle setup.

Spike's Tactical Spider MK4 Complete .223 Remington Black: quick facts

What caliber is the Spike's Tactical Spider MK4 Complete .223 Remington Black?
It is chambered in .223 Remington, 5.56 NATO.
What kind of action does it use?
Double Action.
What sights and finish does it have?
finish: Black.
Is it new or used?
New, in the original packaging.
Can I buy it in Iowa?
Yes. It ships to a licensed FFL dealer in Iowa; you pick it up there after the background check. Rifles and shotguns ship to your chosen Iowa FFL dealer for the background check and pickup.
Is it in stock?
Yes, at $336.38. Orders leave within 1-2 business days; shipping is free over $999.

Similar lower receivers in stock

Shop all →