Primary Weapon Systems

Primary Weapons Rachet Castle Nut QD End Plate Set

Primary Weapon Systems Primary Weapons Rachet Castle Nut QD End Plate Set - view 1

Primary Weapon Systems

Overview

The Primary Weapons Ratchet Castle Nut QD End Plate Set is designed to provide a secure and reliable attachment point for your AR-15's sling, enhancing versatility during use. Made from durable 7075-T6 aluminum with a hardcoat anodized finish, this end plate set features a quick disconnect (QD) type that allows for easy and fast transitions between different carry options. This product is commonly found in builds that utilize a mid-length gas system and chambered in 5.56 NATO.

Specifications

TypeQD
FinishHardcoat Anodized
Material7075-T6 Aluminum
ColorBlack

Available Merchants

Price Alert

Get an email if the price drops 10% or more.

No Available merchants at this time.

Build history on GunPartPicker

Builders have been adding the Primary Weapons Rachet Castle Nut QD End Plate Set to their builds on GunPartPicker since February 2026. All time, it ranks #62 of the 108 end plates builders have added.

Trending end plates →

Updated · from real builds on GunPartPicker

Not sure which end plate to pick?

We ranked every end plate by how often it shows up in real builds on GunPartPicker.

Read the guide: AR-15 End Plate Guide →

Frequently Built With

The part most often added in each category by the builds that include this one

Aero Precision M4E1 Threaded Stripped AR-15 Upper - No Forward Assist - Anodized Black

Aero Precision M4E1 Threaded Stripped AR-15 Upper - No Forward Assist - Anodized Black

Upper Receiver$116 · out of stockin 22% of them
Magpul AR-15 MOE K2-XL Grip Black

Magpul AR-15 MOE K2-XL Grip Black

Pistol Grip$19in 22% of them
Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom

Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom

Lower Receiver$155 · out of stockin 22% of them
SB Tactical Adjustable 5 Position Arm Brace No Buffer Tube, Black - SBA4X-01-SB

SB Tactical Adjustable 5 Position Arm Brace No Buffer Tube, Black - SBA4X-01-SB

Stock & Brace$100in 11% of them
Geissele Automatics .154" SSA Trigger

Geissele Automatics .154" SSA Trigger

Trigger$201in 11% of them
Radian Raptor SD Ambidextrous Charging Handle - AR 10/SR 25

Radian Raptor SD Ambidextrous Charging Handle - AR 10/SR 25

Charging Handle$160 · out of stockin 11% of them

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

92.8%
AR-1592.8%
AR-104.8%
AR-92.3%

Caliber

70.5%
5.56 NATO70.5%
.223 Wylde9.5%
300 Blackout8.7%
.308 Win4%
9mm1.8%
Other5.4%

Gas System

50.5%
Mid-Length50.5%
Carbine25.8%
Rifle11.6%
Pistol10.6%
Blowback0.8%
Other0.7%

Builds Featuring This Part

See all 2 →

Builds in the community that include the Primary Weapons Rachet Castle Nut Qd End Plate Set

BuildPartsTotal
6" Aero Precision pistol build
6" Aero Precision pistol		27$3320.76
Cmmg 16" 5.56 build
Cmmg 16" 5.56		27$6989.11

Review this product

Share your thoughts with other customers

Be the first to review

No reviews yet. Be the first to review this product!