Quality AR 15 uppers, AR15 parts, AR-15 rifle manufacturer. Friday Harbor, WA
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16" 300 Blackout Stainless 15" Talon (TLN) Rail w/ SS Comp Brake, NiB BCG and BCM Ambi CH
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This package is the best of the best with a 16" Stainless Steel 300 blackout a 15" Talon (TLN) Rail, Nickel Boron BCG and BCM Ambi Charging Handle!

The Talon rail allows for rail attachments using Magpul MOE rail segments or bipod attachments with a #5 harris bipod stud. This upper features a pistol length gas system, a muzzle jam nut making timing and muzzle device changes easy.

AR15 Predator Series Upper Receiver Assembly Specifications:
Hardened Arms M4 Feed Ramp Flat Top Receiver
Black anodized mil-spec finished upper receiver
Feed ramps for increased feeding reliability on barrel and upper
Laser etched T-Marked upper receiver
416r Stainless Steel .300 Blackout Barrel
Chambered in .300 Blackout
Pistol Length Gas System
16" HBAR Profile barrel with M4 Extension
1/8 Barrel twist
.750" barrel diameter at gas block
5/8x24 threaded muzzle/barrel
Low profile gas block
Barrel dimpled to secure gas block
Stainless Steel Muzzle Brake
15" Hardened Arms Talon (TLN) Free Float Rail
BCM Ambi Charging Handle

BCG Specs:
Nickel Boron Coated Carrier, Bolt and Gas Key
Individually MPI Tested
Bolt: 9310 Steel hardened, Shot Peened, and MPI tested.
Carrier: 8620 Tool Steel-(M16 full shroud)-Heat Treated, Case Hardened
Gas Key: Grade 8 Hardened Fasteners, Permatex No. 3 sealed, Torqued to 60 in lbs, & Mil-Spec Staked
Cam Pin: 4340 Steel-Heat Treated
Extractor: Tool steel S7-Heat Treated to 48-53 Rockwell C

Hardened Arms Complete Lower (optional):
Manufactured on state of the art CNC machines to proper mil-spec dimensions. Hard coat anodized for superior durability and finish. Hand inspected and assembled by our gunsmiths with Hardened Arms lower parts kits, Geissele SSA triggers and a Luther MBA-1 buttstock.

Hardened Arms Lower 7075 Forged Aluminum
Hard-Coat Anodized Type 3 Class 2 Hardened Arms LPK (installed)
Geissele SSA Trigger (Two stage 4.5lb) Luther MBA-1 Sniper Stock
Works with all mil-spec AR15 magazines and components

Upper fits all mil-spec AR15 lower receiver.
Hardened Arms uppers are high end, accurate, head spaced, inspected and test fired prior to shipping. They are built using stringent specs, top quality parts and procedures to ensure maximum reliability and performance.
Dealer programs are available on our website. Two year warranty against manufacturer defects. Finishes will wear with use, no warranties apply to finish wear.


515 Tucker Ave, Friday Harbor, WA 98250 | sales@hardenedarms.com
Phone: 425-530-0837