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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Out of stock
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 -
Out of stock
AR-15 End Plate W/ Center Ambi QD Sling Attachment
Black Rifle Depot
MSRP: $19.95$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: $19.95$14.95 -
Out of stock
UTG AR15 Quick Detach Receiver End Plate
Leapers / UTG
MSRP: $15.97$13.97UTG AR15 Quick Detach Receiver End Plate The UTG AR 15 Quick Detachable Receiver End Plate. Designed for Standard Mil-spec AR15 Lower Receiver. Solid Steel Construction with a Matte Black Finish. Unique Low Profile Design Allows Operation of Most...MSRP: $15.97$13.97 -
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 -
Out of stock
Strike Industries TRIBUS Enhanced Castle Nut - Version 2
Strike Industries
MSRP: $59.95 - $61.95$52.50 - $53.95Strike Industries TRIBUS Enhanced Castle Nut & Extended End Plate Version 2 The Strike Industries TRIBUS is the next iteration of the previous AR-ECN&EEP. New features include two addition QD mounting points added to the left & right...MSRP: $59.95 - $61.95$52.50 - $53.95 -
Out of stock
BCMGUNFIGHTER QD End Plate
Bravo Company USA
MSRP: $20.00$17.95BCMGUNFIGHTER QD End Plate The BCMGUNFIGHTER QD End Plate is manufactured in the United States from steel and easily accommodates staking. It features a Ambidextrous QD sling mount that that fits most QD Sling Swivels on the market...MSRP: $20.00$17.95 -
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 -
Out of stock
Luth-AR Carbine Lock Ring (Castle Nut)
Luth-AR
MSRP: $5.05$4.95Luth-AR Carbine Lock Ring (Castle Nut) Experience unmatched performance and dependability with the Luth-AR Carbine Lock Ring (Castle Nut). Designed with precision and expert craftsmanship, this essential component is perfect for firearm enthusiasts who...MSRP: $5.05$4.95 -
Out of stock
Trinity Force Steel Castle Nut & End Plate
Trinity Force
$4.95Trinity Force Steel Castle Nut & End Plate The Trinity Force AR Receiver Castle Nut & Endplate combo features hardened steel construction and is melonited for finish matching and corrosion resistance. The Castle Nut & endplate fits both...$4.95 -
Out of stock
LBE Unlimited Ambidextrous End Plate
LBE Unlimited
MSRP: $12.99$11.95LBE Unlimited Ambidextrous End Plate Introducing the LBE Unlimited Ambidextrous End Plate – a versatile and durable addition to your AR-15 platform. Crafted from robust steel and finished in sleek black, this end plate enhances your firearm's...MSRP: $12.99$11.95 -
Out of stock
Trinity Force AMBI Loop QD End Plate
Trinity Force
MSRP: $20.00$14.95Trinity Force AMBI Loop QD End Plate The Trinity Force AR Three-Point End Plate can be installed on any standard AR lower receiver and features ambidextrous sling clip loops as well as a QD socket in the center of the endplate for single point sling...MSRP: $20.00$14.95 -
Out of stock
Ambidextrous Dual Loop End Plate w/ Center Point QD Mount
Black Rifle Depot
$12.95Ambidextrous Dual Loop End Plate With Center Point QD Attachment The Ambidextrous Dual Loop End Plate With Center Point QD Attachment for the AR 15 is manufactured from 7075-T6 aluminium and is type 3 hardcoat anodized. The QD attachment point fits...$12.95 -
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 -
Out of stock
2A Armament Builders Series Aluminum Castle Nut
2A Armament
MSRP: $16.25$14.952A Armament Builders Series Aluminum Castle Nut The Builder Series offers a vast number of 2A Armament components that have been made with the AR builder in mind. This Builder Series Aluminum Castle nut offers weight savings over a traditional steel...MSRP: $16.25$14.95 -
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 -
Out of stock
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 -
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 -
On Sale
Fortis LE Lightweight Enhanced AR15 End Plate System - K1 - Castle Nut (Tapered)
Fortis Manufacturing
MSRP: $44.95Now: $36.51Was: $42.95Fortis 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: $44.95Now: $36.51Was: $42.95 -
Out of stock
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 -
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 -
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 -
Out of stock
Griffin Armament C2E Contour Connect QD End Plate
Griffin Armament
MSRP: $17.95$15.95Griffin Armament C2E Contour Connect QD End Plate The Griffin Armament C2E Contour Connect QD End Plate is compatible with AR-15 or AR-10 lower receivers and features an 8 position quick detach sling socket. It is machined from steel and Manganese...MSRP: $17.95$15.95 -
Out of stock
Magpul Ambidextrous Sling Attachment Point
Magpul Industries
MSRP: $33.95$32.25Magpul Ambidextrous Sling Attachment Point The Magpul Ambidextrous Sling Attachment Point (ASAP), designed to enhance the flexibility and efficiency of weapon use for left- and right-handed shooters, boasts a motion range exceeding 180 degrees. This...MSRP: $33.95$32.25 -
Out of stock
Fortis Standard QD End Plate
Fortis Manufacturing
$15.95Fortis Standard QD End Plate Fortis QD End Plate features the quick detach swivel socket. This AR-15 lower receiver end plate is designed for carbine style buffer tubes for the AR15 & 308 platforms. Features: Fully radiused edges, inside and out to...$15.95 -
Out of stock
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 -
Out of stock
Forward Controls Design ESF-H1 Enhanced End Plate - Black
Forward Controls Design
MSRP: $51.00$48.95Forward Controls Design ESF-H1 Enhanced End Plate - Black ESF (End plate, Sling Adapter, Forward Controls Design) is a drop in end plate replacement for the AR platform (both 223 and 308 spec). Featuring three quick detach sling swivel sockets (two...MSRP: $51.00$48.95 -
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 -
Out of stock
VLTOR Sling Attachment Sling Endplate HK Hook Large Loop Style
VLTOR Weapons Systems
MSRP: $21.95$19.95VLTOR Sling Attachment Sling Endplate HK Hook Large Loop Style This Vltor SASE-2 Enhanced AR-15 Receiver End Plate Sling Mount is a Drop-In, Ambidextrous rifle upgrade that simply replaces the standard factory component. This Enhanced version of Vltor's...MSRP: $21.95$19.95 -
Out of stock
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