The Spike's Tactical ST-15 LE Carbine line-up is designed as a fully Mil-spec compliant rifle series for law enforcement. This same level of quality and performance is now available to everyone, all at a price range that is affordable to shooters of any budget. Each component is manufactured to Mil-spec standards and backed by the Spike's Tactical Lifetime Warranty.

• Upper Specs
• Spike's Tactical M4 Flat Top Upper Receiver
• * CNC Machined from a 7075 T6 MIL-H-6088 Forging
• * Extended M4 Feed Ramps Machined before Plating
• * Mil-Spec 1913 Picatinny Rail
• * MIL-A-8625F Type III Class 2 Hardcoat Anodized Finish
• * Laser Engraved T-markings
• * Laser Engraved ST Spider logo
• * Interior MIL-L-46010 Dryfilm Lube
• * Mil-Spec Ejection Port Door Assembly with 5.3.1.2 MIL-STD-171 Phosphate Finish
• * Mil-Spec Forward Assist Assembly with Tool Steel Pawl and 5.3.1.2 MIL-STD-171 Phosphate Coating
• * Forged Mil-Spec Charging Handle with MIL-A-8625F Type III Class 2 Hardcoat Anodized Finish
• Barrel Group
• * Barrel Steel is Certified MIL-B-11595E Chromoly Vanadium Alloy
• * Raw Barrel Steel is Magnetic Particle Inspected
• * Barrels are Stress Relieved
• * Mil-Spec M4 Barrel Extension with 5.3.1.2 MIL-STD-171 Phosphate Finish
• * 1.2.2.2 MIL-STD-171 Hard Chrome Chamber
• * 1.2.2.2 MIL-STD-171 Hard Chrome Bore
• * 5.56mm Nato chamber
• * All Chambers are Individually Checked for Head Spacing Before and After Plating
• * All Barrels are Individually High Pressure Tested (HPT) and then Individually Magnetic Particle Inspected (MPI)
• * 5.3.1.2 MIL-STD-171 Phosphate Finish on the Barrel Exterior, Including under the Front Sight Base
• * 1/2x28 Thread Pitch
• * Threads are Cut Concentric to the Bore
• * Forged F-Marked A2 Front Sight Base with Bayonet Lug and 5.3.1.2 MIL-STD-171 Phosphate Finish
• * FSB is Taper Pinned to the Barrel and Vertically Aligned
• * Rubber Coated Front Sling Loop
• * Mil-Spec 303 Stainless Steel Gas Tube enhanced with Melonite Finish
• * Muzzle Devices are Properly Timed and installed with Crush Washer
• Fore End Group
• * Mid Length Hand Guards
• * Triangle Hand Guard Cap with 5.3.1.2 MIL-STD-171 Phosphate Coating
• * Mil-Spec Barrel Nut with 5.3.1.2 MIL-STD-171 Phosphate Coating
• * Mil-Spec Delta Ring with MIL-A-8625F Type III Class 2 Hardcoat Anodized Finish
• Bolt Carrier Group
• * Mil-Spec 8620 Tool Steel M16 Bolt Carrier with Shrouded Firing Pin
• * Carrier is 5.3.1.2 MIL-STD-171 Phosphate Coated inside and out with 1.2.2.2 MIL-STD-171 Hard Chrome Bore
• * Laser Engraved with ST Spider Logo
• * Mil-Spec Tool Steel Carrier Key
• * Carrier Key is 5.3.1.2 MIL-STD-171 Phosphate Coated inside and out with 1.2.2.2 MIL-STD-171 Hard Chrome Bore
• * Carrier Key is installed with Grade 8 Hardware and Properly Staked
• * Bolt is CNC Machined from Carpenter-158 Steel
• * Bolt is 5.3.1.2 MIL-STD-171 Phosphate Coated inside and out
• * All Bolts are Shot Peened per current Mil-Spec Requirements
• * All Bolts are Individually High Pressure Tested (HPT) and then Individually Magnetic Particle Inspected (MPI)
• * Tool steel Extractor is Shot Peened, 5.3.1.2 MIL-STD-171 Phosphate Coated, Fitted with a Mil-Spec Black Extractor Spring Insert and Mil-Spec Viton O-Ring
• * Mil-Spec Firing Pin with 1.2.2.2 MIL-STD-171 Hard Chrome Finish
• * Mil-Spec Cam Pin with 5.3.1.2 MIL-STD-171 Phosphate Coating
• * Mil-Spec Firing Pin Retaining Pin with 5.3.1.2 MIL-STD-171 Phosphate Coating
• Lower Specs
• 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
• * Mil-Spec M4 Stock with ST Spider Logo
• * Sling Loop & Hardware has been properly Heat Treated and 5.3.1.2 MIL-STD-171 Phosphate Coated