Castle Nuts & End Plates

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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  • BLACK RIFLE DEPOT Castle Nut for Mil-Spec AR 15 Buffer Tube

    Castle Nut for Mil-Spec AR 15 Buffer Tube

    Black Rifle Depot

    $3.95
    Castle 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
    Qty in Cart: 0
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    $3.95
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  • BLACK RIFLE DEPOT AR 15 End Plate w/ Center Ambi QD Sling Attachment, AR 15 Parts, AR 15 Lower Parts

    AR 15 End Plate w/ Center Ambi QD Sling Attachment

    Black Rifle Depot

    MSRP: $19.95
    $15.95
    AR 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
    $15.95
    Qty in Cart: 0
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    MSRP: $19.95
    $15.95
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  • Out of stock
    LEAPERS / UTG UTG AR15 Quick Detach Receiver End Plate

    UTG AR15 Quick Detach Receiver End Plate

    Leapers / UTG

    MSRP: $15.97
    $13.97
    UTG 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
    Qty in Cart: 0
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    MSRP: $15.97
    $13.97
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  • STRIKE INDUSTRIES Strike Industries AR 15 Enhanced Castle Nut and Extended QD End Plate, Strike Industries Parts, AR 15 Parts

    Strike Industries Enhanced Castle Nut-Extended QD End Plate

    Strike Industries

    MSRP: $60.95 - $62.95
    $52.25 - $53.95
      Strike 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
    $52.25 - $53.95
    Qty in Cart: 0
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    MSRP: $60.95 - $62.95
    $52.25 - $53.95
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  • STRIKE INDUSTRIES Strike Industries TRIBUS Enhanced Castle Nut and Extended End Plate Version 2

    Strike Industries TRIBUS Enhanced Castle Nut - Version 2

    Strike Industries

    MSRP: $59.95 - $61.95
    $52.50 - $53.95
      Strike 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
    Qty in Cart: 0
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    MSRP: $59.95 - $61.95
    $52.50 - $53.95
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  • Out of stock
    BRAVO COMPANY USA BCMGUNFIGHTER QD End Plate

    BCMGUNFIGHTER QD End Plate

    Bravo Company USA

    MSRP: $20.00
    $17.95
    BCMGUNFIGHTER 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
    Qty in Cart: 0
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    MSRP: $20.00
    $17.95
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  • STRIKE INDUSTRIES Strike Industries Multi-Function End Plate w/ Anti-Rotation Castle Nut - Black, Castle Nut, AR 15 Parts, AR 15 Spare Parts, AR Parts, AR 15 Lower Parts

    Strike Industries Multi-Function Endplate

    Strike Industries

    MSRP: $36.95
    $31.95
      Strike 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
    Qty in Cart: 0
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    MSRP: $36.95
    $31.95
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  • Out of stock
     Luth-AR Carbine Lock Ring (Castle Nut)

    Luth-AR Carbine Lock Ring (Castle Nut)

    Luth-AR

    MSRP: $5.05
    $4.95
    Luth-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
    Qty in Cart: 0
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    MSRP: $5.05
    $4.95
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  • Out of stock
     Trinity Force Steel Castle Nut & End Plate

    Trinity Force Steel Castle Nut & End Plate

    Trinity Force

    $4.95
    Trinity 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
    Qty in Cart: 0
    Price:
    $4.95
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  • Out of stock
    LBE Unlimited Ambidextrous End Plate

    LBE Unlimited Ambidextrous End Plate

    LBE Unlimited

    MSRP: $12.99
    $11.95
    LBE 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
    Qty in Cart: 0
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    MSRP: $12.99
    $11.95
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  • Out of stock
    Trinity Force AMBI Loop QD End Plate

    Trinity Force AMBI Loop QD End Plate

    Trinity Force

    MSRP: $20.00
    $14.95
    Trinity 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
    Qty in Cart: 0
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    MSRP: $20.00
    $14.95
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  • Out of stock
    2A Armament Builders Series Aluminum Castle Nut

    2A Armament Builders Series Aluminum Castle Nut

    2A Armament

    MSRP: $16.25
    $14.95
    2A 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
    Qty in Cart: 0
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    MSRP: $16.25
    $14.95
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  • Out of stock
    Forward Controls Design CN5F Castle Nut for A5 Buffer Kits

    Forward Controls Design CN5F Castle Nut for A5 Buffer Kits

    Forward Controls Design

    MSRP: $24.00 - $34.00
    $22.95 - $32.95
    Forward 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
    Qty in Cart: 0
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    MSRP: $24.00 - $34.00
    $22.95 - $32.95
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  • Out of stock
    B5 Systems End Plate

    B5 Systems End Plate

    B5 Systems

    MSRP: $20.00
    $18.95
    B5 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
    Qty in Cart: 0
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    MSRP: $20.00
    $18.95
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  • On Sale
    Forward Controls Design CNF Enhanced Castle Nut

    Forward Controls Design CNF Enhanced Castle Nut

    Forward Controls Design

    MSRP: $20.00 - $30.00
    $16.15 - $24.61
    Forward 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
    $16.15 - $24.61
    Qty in Cart: 0
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    MSRP: $20.00 - $30.00
    $16.15 - $24.61
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  • STRIKE INDUSTRIES Strike Industries Multi-Function End Plate w/Anti-Rotation Castle Nut-FDE

    Strike Industries Multi-Function End Plate w/Anti-Rotation Castle Nut-FDE

    Strike Industries

    MSRP: $39.95
    $33.95
      Strike 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
    Qty in Cart: 0
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    MSRP: $39.95
    $33.95
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  • On Sale
    Fortis LE Lightweight Enhanced AR15 End Plate System - K1 - Castle Nut (Tapered)

    Fortis LE Lightweight Enhanced AR15 End Plate System - K1 - Castle Nut (Tapered)

    Fortis Manufacturing

    MSRP: $44.95
    Now: $36.51
    Was: $42.95
    Fortis 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: $44.95
    Now: $36.51
    Was: $42.95
    Qty in Cart: 0
    Price:
    MSRP: $44.95
    Now: $36.51
    Was: $42.95
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  • STRIKE INDUSTRIES Strike Industries Multi-Function End Plate w/Anti-Rotation Castle Nut-RED

    Strike Industries Multi-Function End Plate w/Anti-Rotation Castle Nut-RED

    Strike Industries

    MSRP: $39.95
    $33.95
      Strike 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
    Qty in Cart: 0
    Quantity:
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    MSRP: $39.95
    $33.95
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  • Out of stock
    RADIAN WEAPONS Radian Ultralight QD Endplate, AR15, AR 15, AR 15 Parts, AR Parts, AR15 Parts, AR-15 Parts

    Radian Ultralight QD Endplate

    Radian Weapons

    $39.95
    Radian 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
    Qty in Cart: 0
    Price:
    $39.95
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  • Out of stock
    Magpul Ambidextrous Sling Attachment Point

    Magpul Ambidextrous Sling Attachment Point

    Magpul Industries

    MSRP: $33.95
    $32.25
    Magpul 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
    Qty in Cart: 0
    Price:
    MSRP: $33.95
    $32.25
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  • Fortis LE Lightweight Enhanced AR-15 End Plate System - K2 - Castle Nut (Clip)

    Fortis LE Lightweight Enhanced AR-15 End Plate System - K2 - Castle Nut (Clip)

    Fortis Manufacturing

    MSRP: $44.95
    $42.95
    Fortis 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
    Qty in Cart: 0
    Price:
    MSRP: $44.95
    $42.95
    Subtotal:
  • Out of stock
    Fortis Standard QD End Plate

    Fortis Standard QD End Plate

    Fortis Manufacturing

    $15.95
    Fortis 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
    Qty in Cart: 0
    Price:
    $15.95
    Subtotal:
  • On Sale
    Forward Controls Design ESF-H Enhanced End Plate

    Forward Controls Design ESF-H Enhanced End Plate

    Forward Controls Design

    MSRP: $66.00
    Now: $53.51
    Was: $62.95
    Forward 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
    Now: $53.51
    Was: $62.95
    Qty in Cart: 0
    Price:
    MSRP: $66.00
    Now: $53.51
    Was: $62.95
    Subtotal:
  • Out of stock
    Forward Controls Design ESF-H1 Enhanced End Plate - Black

    Forward Controls Design ESF-H1 Enhanced End Plate - Black

    Forward Controls Design

    MSRP: $51.00
    $48.95
    Forward 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
    Qty in Cart: 0
    Price:
    MSRP: $51.00
    $48.95
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  • VLTOR Sling Attachment Sling Endplate 1 1/4-Inch Sling

    VLTOR Sling Attachment Sling Endplate 1 1/4-Inch Sling

    VLTOR Weapons Systems

    MSRP: $21.95
    $19.95
    VLTOR 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
    Qty in Cart: 0
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    MSRP: $21.95
    $19.95
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  • Out of stock
    VLTOR Sling Attachment Sling Endplate HK Hook Large Loop Style

    VLTOR Sling Attachment Sling Endplate HK Hook Large Loop Style

    VLTOR Weapons Systems

    MSRP: $21.95
    $19.95
    VLTOR 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
    Qty in Cart: 0
    Price:
    MSRP: $21.95
    $19.95
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  • VLTOR Sling Attachment Sling Endplate HK Hook Style (Circular Loop)

    VLTOR Sling Attachment Sling Endplate HK Hook Style (Circular Loop)

    VLTOR Weapons Systems

    MSRP: $21.95
    $19.95
    VLTOR 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
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $21.95
    $19.95
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