Spike's Upper 5.56 16" M4 LE Handguards FSP AR15 AR-15
Introduction
The Spike's Tactical ST-15 LE upper line-up is designed as a fully Mil-spec compliant upper series for law enforcement. Each component is manufactured to Mil-spec standards and backed by the Spike's Tactical Lifetime Warranty. This is a non ffl item that ships to your door.
NOTE: Some states and areas, like California, New York, New Jersey, Connecticut, Massachusetts require certain options and modifications. Please check with your local FFL if you have questions regarding legality as we cannot be responsible for laws in every state or county.
Features
Spike's Tactical 16", 1:7 Twist, Mil-spec Barrel
M4 Barrel Profile, Carbine Length Gas System
F-marked A2 Front Sight Base, .750" Diameter Gas Seat
Spike's Tactical Mil-spec M16 Bolt Carrier Group
M4 Double Heat Shield Handguards
A2 Flash Hider
Included
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
* Gas Block or FSB is 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
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
