Builds/Castle Nut

AR builds with the Fortis Light Weight K1 Castle Nut and End Plate Black

10 public builds on GunPartPicker use the Fortis Light Weight K1 Castle Nut and End Plate Black. At today's lowest prices the median parts list comes to $2,098, and most land between $1,206 and $3,764. The most common caliber is 5.56 NATO.

Public builds

Median parts total

$2,098

Typical range

$1,206 to $3,764

Top caliber

5.56 NATO

Most chosen parts in builds with the Fortis Light Weight K1 Castle Nut and End Plate Black

Slot	Most chosen	Share
Upper Receiver	Wilson Combat AR-15 Billet Upper Receiver builds	30% of 10
Lower Receiver	Aero Precision Stripped M4E1 AR-15 Lower Receiver builds	30% of 10
Barrel	Rosco Manufacturing Bloodline 5.56 AR-15 Barrel M4 Carbine builds	20% of 10
Handguard	Samson Manufacturing Corp. SXT Series Handguard builds	29% of 7
Bolt Carrier Group	Aero Precision AR-15 5.56 BCG W/C158 Bolt builds	50% of 8
Trigger	Rise Armament Super Sporting AR15/10 Single Stage Trigger builds	20% of 10
Charging Handle	Aero Precision AR-15 Breach Charging Handle Ambidextrous builds	38% of 8
Stock & Brace	Magpul AR-15 MOE Stock Collapsible Mil-Spec Black builds	20% of 10
Buffer	Expo Arms H2 AR-15 Carbine Buffer builds	29% of 7
Pistol Grip	Magpul MOE K2 Grip Polymer Gray builds	30% of 10
Safety	Timber Creek Outdoors Ambidextrous Safety Selector builds	30% of 10
Foregrip	Magpul AFG-2 Angled Fore Grip builds	29% of 7

Brands these builds pair with

Builds with the Fortis Light Weight K1 Castle Nut and End Plate Black

Frequently asked questions

How many builds use the Fortis Light Weight K1 Castle Nut and End Plate Black?

10 public builds in the GunPartPicker build gallery include the Fortis Light Weight K1 Castle Nut and End Plate Black.

How much does a build with the Fortis Light Weight K1 Castle Nut and End Plate Black cost?

The median parts list is $2,098, with most between $1,206 and $3,764, using each part's lowest in stock price today. Open any build for store by store prices.

What parts go with the Fortis Light Weight K1 Castle Nut and End Plate Black?

Wilson Combat AR-15 Billet Upper Receiver is the most chosen upper receiver (30% of builds with one); Aero Precision Stripped M4E1 AR-15 Lower Receiver is the most chosen lower receiver (30% of builds with one); Rosco Manufacturing Bloodline 5.56 AR-15 Barrel M4 Carbine is the most chosen barrel (20% of builds with one); Samson Manufacturing Corp. SXT Series Handguard is the most chosen handguard (29% of builds with one).

Build totals add up each part's lowest in stock price, refreshed every few hours; open a build for prices at every store. Want your own? Start a build in the AR-15 Builder.