Castle Nuts & End Plates
Castle Nuts & End Plates
Enhance the stability and performance of your AR-15 rifle with our selection of castle nuts and end plates. Our collection includes a variety of options to fit your specific needs, including standard castle nuts, extended castle nuts, and end plates made from durable materials like aluminum and steel. These components are an essential part of the AR-15's lower receiver and play a critical role in securing the buffer tube to the rifle. Upgrade your rifle today with one of our high-quality castle nuts and end plates, and take the first step towards improved accuracy and performance.
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Castle Nut for Mil-Spec AR 15 Buffer Tube
Black Rifle Depot
$3.95Castle Nut for Mil-Spec AR 15 Buffer Tube Mil-spec carbine castle nut/lock ring for securing lock plate on an adjustable stock for AR-15/M4. Features: 4140 Steel construction Made In the USA$3.95 -
On Sale
AR-15 End Plate W/ Center Ambi QD Sling Attachment
Black Rifle Depot
MSRP: $19.95Now: $10.95Was: $14.95AR 15 End Plate w/ Center Ambi QD Sling Attachment These OEM end plates from Black Rifle Depot are a great replacement part. AR 15 Receiver Extension Buffer Tube End Plate w/ Center Ambi QD Sling Attachment replacement for the AR 15 lower...MSRP: $19.95Now: $10.95Was: $14.95 -
Strike Industries Enhanced Castle Nut-Extended QD End Plate
Strike Industries
MSRP: $60.95 - $62.95$55.95 - $58.95Strike Industries AR 15 Enhanced Castle Nut & Extended QD End Plate Yet another first, the Enhanced Castle Nut and Extended End plate combo represent Strike Industries’ dedication to thinking outside the box. The SI Enhanced ECN and EEP...MSRP: $60.95 - $62.95$55.95 - $58.95 -
Strike Industries Multi-Function Endplate
Strike Industries
MSRP: $36.95$31.95Strike Industries Multi-Function End Plate w/Anti-Rotation Castle Nut-BLK The SI Multi-Function End Plate and Anti-Rotation Castle Nut are designed to update and upgrade the often neglected castle nut and endplate system. While the...MSRP: $36.95$31.95 -
B5 Systems End Plate
B5 Systems
MSRP: $20.00$18.95B5 Systems End Plate The B5 Systems Quick Disconnect End Plate proivdes users with an alternative attachment point for single point sling use. The limited rotation one piece steel construction allows for proper staking and a lifetime of service. The...MSRP: $20.00$18.95 -
Fortis LE Lightweight Enhanced AR15 End Plate System - K1 - Castle Nut (Tapered)
Fortis Manufacturing
MSRP: $46.95$44.95Fortis LE Lightweight Enhanced AR15 End Plate System - K1 - Castle Nut (Tapered) When designing our new Lightweight Enhanced (LE) Castle Nut & End Plate System, we came up with two systems that virtually eliminates the risk of your castle nut ever...MSRP: $46.95$44.95 -
Forward Controls Design CN5F Castle Nut for A5 Buffer Kits
Forward Controls Design
MSRP: $24.00 - $34.00$22.95 - $32.95Forward Controls Design CN5F Castle Nut for A5 Buffer Kits The CN5F castle nut is made for VLTOR A5 buffer systems and is slightly longer than the CNF (.1”) to make sure that the adjustable stock can fully close. Since it’s longer, it will...MSRP: $24.00 - $34.00$22.95 - $32.95 -
Forward Controls Design CNF Enhanced Castle Nut
Forward Controls Design
MSRP: $20.00 - $30.00$19.00 - $28.95Forward Controls Design CNF Enhanced Castle Nut The original MIL-SPEC castle nut is a hard product to improve upon, but Forward Controls Design has proven it is not impossible. The CNF is based on the original technical data package specification for the...MSRP: $20.00 - $30.00$19.00 - $28.95 -
Strike Industries Multi-Function End Plate w/Anti-Rotation Castle Nut-FDE
Strike Industries
MSRP: $39.95$33.95Strike Industries Multi-Function End Plate w/Anti-Rotation Castle Nut-FDE The SI Multi-Function End Plate and Anti-Rotation Castle Nut are designed to update and upgrade the often neglected castle nut and endplate system. While the...MSRP: $39.95$33.95 -
Fortis LE Lightweight Enhanced AR-15 End Plate System - K2 - Castle Nut (Clip)
Fortis Manufacturing
MSRP: $44.95$42.95Fortis LE Lightweight Enhanced AR-15 End Plate System - K2 - Castle Nut (Clip) When designing our new Lightweight Enhanced (LE) Castle Nut & End Plate System, we came up with two systems that virtually eliminates the risk of your castle nut ever...MSRP: $44.95$42.95 -
Strike Industries Multi-Function End Plate w/Anti-Rotation Castle Nut-RED
Strike Industries
MSRP: $39.95$33.95Strike Industries Multi-Function End Plate w/Anti-Rotation Castle Nut-RED The SI Multi-Function End Plate and Anti-Rotation Castle Nut are designed to update and upgrade the often neglected castle nut and endplate system. While the...MSRP: $39.95$33.95 -
Radian Ultralight QD Endplate
Radian Weapons
$39.95Radian Ultralight QD Endplate Announcing the Ultralight QD Endplate for AR15/M16 pattern rifles. Weighing only 6.5 grams, the endplate is machined from billet 7075-T6 aluminum with Mil-spec Type III anodized finish and a press-fit Titanium QD sling...$39.95 -
Forward Controls Design ESF-H Enhanced End Plate
Forward Controls Design
MSRP: $66.00$62.95Forward Controls Design ESF-H Enhanced End Plate The end plate is one of the most over looked parts when it comes to upgrading your rifle. After all, that simple hunk of forged metal does a perfectly good job of holding your takedown pin detent and...MSRP: $66.00$62.95 -
VLTOR Sling Attachment Sling Endplate 1 1/4-Inch Sling
VLTOR Weapons Systems
MSRP: $21.95$19.95VLTOR Sling Attachment Sling Endplate 1 1/4-Inch Sling The VLTOR SASE Sling Mount End Plate is an ambidextrous sling mount that directly replaces your existing receiver endplate. Designed to accept a 1.25" sling, it can simply be configured for right or...MSRP: $21.95$19.95 -
VLTOR Sling Attachment Sling Endplate HK Hook Style (Circular Loop)
VLTOR Weapons Systems
MSRP: $21.95$19.95VLTOR Sling Attachment Sling Endplate HK Hook Style (Circular Loop) The VLTOR SASE Sling Mount End Plate is an ambidextrous sling mount that directly replaces your existing receiver endplate. Designed to accept popular H&K style snap-hooks, it can...MSRP: $21.95$19.95