Spike's Tactical Spider AR-15 Complete 223 Remington/5.56 NATO Lower Receiver - Blue/Black, Synthetic, Collapsible Stock
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The Spike's Tactical Spider Lower is the standard lower that all ST-15 LE Rifles are assembled with, featuring the ST Spider Logo predominantly on the left side of the magwell. The selector markings are bullet pictograms.
Spike's Tactical Lower Receiver
* CNC Machined from a 7075 T6 MIL-H-6088 Forging
* Low Shelf for RDIAS
* Milled Manufacturer Engravings
* Accepts .154" Diameter Trigger & Hammer Pins
* MIL-A-8625F Type III Class 2 Hardcoat Anodized Finish inside and out
Lower Parts Kit Group
* Semi-Auto Lower Parts Kit with Rounded Hammer
* All Components are Manufactured to Applicable Mil-Spec Requirements
* Trigger and Hammer Engagement Surfaces have been Jeweled/Polished during the Manufacturing Process
* .154" Diameter Stainless Steel Trigger & Hammer Pins with Black Oxide Finish
Receiver Extension Group
* 7075 Mil-Spec Receiver Extension (Buffer Tube)
* Receiver Extension is 1.14" in Diameter, 6 Position
* Receiver Extension is MIL-A-8625F Type III Class 2 Hardcoat Anodized and MIL-L-46010 Dryfilm Lubed inside and out
* Mil-Spec Castle Nut with 5.3.1.2 MIL-STD-171 Phosphate Coating
* Castle Nut is Torqued to 38ft-lb.
* Mil-Spec Latch Plate with 5.3.1.2 MIL-STD-171 Phosphate Coating
* Latch Plate is Properly Staked per Mil-Spec Requirement
* ST-T2 Tungsten Heavy Buffer
* Mil-Spec 17-7 Stainless Steel Buffer Spring
* Sling Loop & Hardware has been properly Heat Treated and 5.3.1.2 MIL-STD-171 Phosphate Coated