.223/5.56 "ARBITER" Rifle Kit
Factory New Condition
FFL is not required
Unit Price
Quantity Available
Immediate checkout
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Time Left
16d +
11/5/2017 12:05 PM
Item 679325126
Location Chino, CA 91710
Buyer pays estimated shipping for the following option(s): Priority
Shipping methods may vary based upon price
No international shipments
Payment Personal Check, Visa / MasterCard, USPS Money Order, Money Order, Certified Check
Checkout Yes, Immediate
Sales Tax
Seller must collect sales tax from the following states:
CA 8.9%   
Inspection/ Return Policy

The seller of this item assumes all responsibility for this listing. You must contact the seller to resolve any questions or concerns before placing a bid. Payment must be made using U.S. dollars ($) unless otherwise stated in the listing. Firearms may only be shipped to a licensed dealer (FFL Holder). Some listed items may not be legal in every state. Complete your purchase within the law.


If you want this kit assembled and test fired check out our other listing: AR15 ARBITER Carbine Kit (Assembled & Test Fired)

AR-15 10" Free Float Keymod Handguard Rail System

Lightweight handguard with 7 angled surfaces for attaching keymod rail sections, each with 12 holes. The top Picatinny/Weaver rail has 27 slots. Includes Barrel Nut, Steel Jam Nut Ring, setscrew nut and Allen wrench.

Material: CNC Precision Machined 6061 Aluminum

Finish: Hard Black Anodized

Length: 12"

Rhino R-23 Tactical Magwell Grip and Funnel

The Rhino R-23™ tactical magwell grip and funnel is designed to significantly improve magazine reload speed and firearm handling. The Rhino™ reduces magazines change times on average by 48% and without ever having to take your eyes off your target. The magazine well grip gives you full control of the weapon whether in CQB or malfunction situations. Made from reinforced polymer, the Rhino magwell ™ attaches to standard AR15/M4 lower receivers without any permanent modification to the weapon.

• 60 degree magazine insertion angle

• Low light/ no light magazine changes

• Fits mil-spec M16, M4,and AR-15 lowers without modification.

• Ultra-light, super strong mil-spec reinforced polymer

• Supports all Magpul PMAGS including Gen 3

Birdcage Muzzle Break


Machined steel, matte black. 1.75" (4.4cm) long, 7/8" (2.2cm) O.D. ½”-28 tpi.

Includes crush washer.

AR-15 5.56 NATO 16" Inch Rifle Barrel 1:8 Twist Parkerized Finish Barrel

Materiall: 4150 Heat Treated Steel

Chamber: 5.56/.223

Length: 16"

Twist Rate: 1:8

Gas Port: 0.750"

Gas System: Carbine

Thread Pitch: 1/2x28

Feed Ramps: M4

Finish: Parkerized


AR-15 Mil-Spec Upper Receiver (Stripped) - Made in U.S.A.

High quality and lightweight stripped Upper Receiver

Material: Aircraft grade Aluminum

Finish: Black Anodized

AR-15 .223/5.56 Bolt Carrier Group- Black Nitride



Machined from 8620 tool steel

Heat treated to military specifications


Machined from 9310 tool steel

Heat treated to military specifications

Shot Peened

Ground to meet military required tolerances

MPI (Mag Particle Inspected)

Gas Key

Machined from 4140

Heat treated to military specifications


Machined from 4140

Heat treated to military specifications

Shot peened

Firing Pin

Machined from 8640 tool steel

Heat treated to military specifications

Ground to meet military required tolerances

Coated with .0002”-.0003” of hard chrome per MIL-STD-171

Cam Pin

Machined from 4340

Quench and temper heat treat

Ground to meet military required tolerances

Charging Handle

Body is 6061 T6 Billet Aluminum

Latch is 7075 T6 

Black Type III Hardcoat Anodizing

Dust Cover

Dust Cover, Spring, and Rod are constructed from 4150 Steel

Black Type III Hardcoat Anodizing

Forward Assist

Constructed from 4150 Steel

 Includes Plunger, Forward Assist Pawl, Retainer pin, and spring

Gas Block


Constructed of Steel

Set screw mounts

Fits .750 Dia Barrels

Color: Black Phosphate finish

Gas Tube

Material: Stainless Steel (optimal heat and corrosion resistance)

Mil-Spec Dimensions (consistant gas flow)

Length: 9.75"

Made in the U.S.

AR-15 Standard Lower Receiver Parts Kit-LPK17

Complete Kit Includes:

  Standard AR-15 Pistol Grip (Black)

    Standard Trigger Guard

    Semi Trigger

    Semi Hammer

    Semi Disconnector

    Semi Selector

    Bolt Catch Spring

    Detent Spring

    Bolt Catch Buffer

    Take Down Detent

    Bolt Catch

    Magazine Catch Spring

    Bolt Catch Roll Pin

    Magazine Catch Button

    Magazine Catch

    Front Pivot Pin

    Hammer Spring

    Trigger Spring

    Pistol Grip Screw

    Pistol Grip Lock Washer

    Selector Spring

    Detent Selector

    Hammer Pin

    Trigger Pin

    Take Down Pin

    Buffer Retainer Pin

    Buffer Retainer Spring

    Disconnector Spring

AR-15 | AR-10 Collapsible Mil-Spec Carbine Stock

Material: Molded from Reinforced Plastic Composite

Finish: Matte Black

Designed for Mil-Spec 6-Position Buffer Tubes

Metal Sling Loop/Attachment installed

Buffer Tube Kit

This kit fits .223/5.56 Mil-spec Sized stocks

6 Position Mil Spec Diameter 7075 T6 Premium Buffer Tube

Carbine Stock Lock Ring/ Castle Nut

Carbine Stock Latch Plate

Heavy Duty 4.6oz Carbine Buffer Assembly

Carbine Buffer Spring

Premium Flip up Front Rear Iron Sight Set Dual Diamond Aperture BUIS Black

Flip up Front & Rear Iron Sight Set

Machined from light weight and durable 6061 aircraft grade Aluminum

Diamond shaped A2 style aperture, allowing for quick and accurate target acquisition

Secure ball bearing pivot detent locking mechanism

Low profile folding design

Dual Apertures 

Rear sight Windage adjustable with click knob

Front sight A2 post elevation adjustable


Non-rust hard anodized finish

Compatible with most Picatinny / Weaver rails

Front End Cap for AR-15 .750 Freefloat Handguard

     End Cap For .750 Barrel Free Float Quad Rail Handguard

    Works on free float handgaurd with four holes to screw the end cap. 

    For certain models holes may need drilled to install end cap.

    Mounting screws included.

    Keeps debris out of your rail and gas block.

    Does not interfere with .750 barrel free float.


Outer Diameter: 1.81"

Inner Diameter:  .75"

Thickness: .36"

Weight: 1.1oz

Seller provided no "Additional Terms of Sale"
Mfg Part Number