Strike Industries Enhanced End Plate And Castle Nut

Strike Industries, known for their lightweight and creatively-styled parts and accessories, just announced the release of their Enhanced End Plate and Castle Nut combination for the AR platform. Notched and “ported” to reduce weight, the castle nut is also elongated to better protect the threads on the buffer tube. The end plate includes a QD sling attachment as well as a set screw to make takedown detent/spring installation easier.

Strike has a reputation in the industry for being forward-thinking and providing customers with great products and service. Buy with confidence.

Strike Industries

SI Enhanced End Plate And Castle Nut

Strike Industries

SI Enhanced End Plate And Castle Nut

Strike Industries

SI Enhanced End Plate And Castle Nut


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 stand out from the generic parts kit units in both aesthetics and function. The steel castle nut has been lengthened to match the extended end plate, supporting more of the receiver extension’s threaded area, and improving aesthetics. The extended end plate features a Quick Detach sling swivel mount, pushed back away from the webbing of the primary hand. This allows weapons manipulations in tight spaces and under stress, without the startling pain that can result from a pinched hand when using a sling attached to a standard, flat QD end plate.

Strike Industries Enhanced Castle Nut And End Plate

  • 1x Enhanced Castle Nut
  • 1x Enhanced End Plate
  • 1x Set Screw


  • Aesthetic upgrade
  • Centrally placed QD for right or left hand sling use
  • Easy drop in installation
  • Simplified installation of takedown pin detent via set screw.
  • Note: First position will be lost


Strike Industries on Facebook 


LE – Science – OSINT.
On a mission to make all of my guns as quiet as possible.
Twitter: @gunboxready
Instagram: @tfb_pete


  • Fuchspikes

    This is so useless….

    • JumpIf NotZero

      Wha? No… what if I wanted a weaker / dumber solution to a non-problem tho!?

  • Andrew

    Is your castle nut not big enough? What about ugly enough? Well, then, you need the new Strike Industries castle nut, now 200% bigger and uglier!

  • Slim934

    Still waiting on that latchless ambi-dex charging handle.

    • roguetechie

      I really kinda want to try the charging handle if it ever shows up…

      Idk why though, I mean I am a lefty and all but I have adapted to normal charging handles.

  • Martin Grønsdal

    The logo is just…

    • Protestant Rambler

      …a jig and a zag from waffen ss?

      And that picture–I honestly thought at first glance it was some kind of new lego set.

      • No an S and an I for Strike Industries. It’s a good company. The majority of us use Strike products at one time or another. The owner is a good guy and you are way off with implying the company logo is some Nazi garbage.

        • Dan

          I would have chosen a differently styled S. I don’t believe them to be wanna be nazi’s but I’d stay as far away from that S as possible. It doesn’t take too many people saying you’re a nazi in disguise before others jump on the band wagon

          • Martin Grønsdal


        • Martin Grønsdal

          I agree that they probably didn’t intend to make the logo look like the Schutzstaffel runes, but it does look like it, and it would be better taste to remove it.

          You know, gestapo is just an abbreviation for secret police, but the Germans, for obvious reasons, found different ways to call secretive units today.

        • Protestant Rambler

          I certainly did not intend to imply the company or the people who work there are Nazis, nor did it cross my mind to think they were–apologies for any confusion in that respect. My comment was strictly limited to the logo itself, its design. On that point, I stand by my comment.

    • xebat


  • Jim Slade

    ” The steel castle nut has been lengthened to match the extended end plate, supporting more of the receiver extension’s threaded area, ”

    Is this a problem that needed solving?
    For anybody?
    I’m honestly asking- has anybody ever damaged a tube or threads in non-foolish usage in a manner that would have been prevented by this thing?

    • AC97

      Solutions to a problem that didn’t even exist are all too common in the gun industry.

  • Sianmink

    * Note: First position will be lost

    • JumpIf NotZero

      Not first position in the “That Guy Has No Idea What He’s Doing” contest… You’ll always have a shot at first with this thing.

  • kregano

    Wasn’t there a post on this thing already? And I still don’t get what the purpose of it is, besides looking cool.

    • Cymond

      I think it was shown back in January, but has been vaporware until now.

      • JumpIf NotZero

        That makes it worse. That this isn’t just an idea someone had last week, is definitely worse than it taking 11 months.

  • JT303

    If it looks like a gimmick, sounds like a gimmick and works like a gimmick, that’s a gimmick to me. Is there something wrong with the standard castle nut and end plate? Are they not in your favourite colour? Is the lack of slits making the standard parts too pedestrian? Do you need something to console yourself with at night in the aftermath of your girlfriend’s departure? No? Didn’t think so.

  • Nolan

    Welp, I’ve always wanted to lose functionality, add weight, and spend a lot of money. I’m sold.

  • TheNotoriousIUD

    Why dont these companies just come out and say “We think this looks cooler”?
    Almost every other hobby you can think of openly acknowledges the importance of looks so why are gun people so uncomfortable with it?

    (Not that I would ever buy this)

    • Justin Roney

      Because then it wouldn’t be considered TACTICAL! 🙂

      • TheNotoriousIUD

        Why does anyone care?
        They arent going to be clearing shacks in Afghanistan with it.

        • Justin Roney

          You’d have to ask the mall ninja crowd.

          • TheNotoriousIUD

            People should build their guns however they want and manufacturers shouldnt try to pretend their products have any use beyond looking cool.

          • roguetechie

            I came to that conclusion a few years ago, and just started doing what works trips my aesthetic trigger and gives me good results…

            And yeah, I sometimes build a gun specifically to create a certain “look”.

            There’s nothing wrong this IMO

          • TheNotoriousIUD

            Do it dude.
            We’re supposed to be having fun with it.

          • roguetechie


            The guy I got the idea from posted an awesome steam / dieselpunk storyline to go along with his…

            Something about the tsar’s iron soldiers, and ample supplies of scrap metal.

            It was very inspirational.

            Like the guy with the Boba Fett style body armor, I find the themed outfits guns etc really really cool.

          • TheNotoriousIUD

            Guns are supposed to be fun.
            I own legal machine guns and I wouldn’t say they are more fun than my .410 and my .22 when I was ten years old.

          • BrandonAKsALot

            Almost everyone cares about looks at least to some degree even if they don’t admit it. If not, we wouldn’t have 10,000 different AR accessories and fancy grips and doo-dads for all the popular semi-auto pistols. Nothing wrong with wanting something that looks cool and works.

        • Jesus

          Fooled me judging by the stuff I read in comments on every gun related website

      • Russ Kell



    • DIR911911 .

      maybe you need a dictionary. “Aesthetic upgrade” means looks better and is CLEARLY stated above.

      • TheNotoriousIUD

        Maybe you need to blow me.

  • lolwat

    Hipster company making hipster accessories. Who am I to judge, people buy this junk.

    • Gene

      Mostly agree, but I do like their flatwire spring and link foregrip. Other stuff is flashy look-at-me. YMMV.

  • Gus Butts

    Strike Industries: “But why?”

    • Thinly-veiled Nazi fanboys flock together; they know they have a customer base.

  • J.T.

    How in the hell are you supposed to stake that without any notches on the forward part of the nut?

    • JumpIf NotZero

      You don’t. But I don’t think this is the same customer that would mind.

  • Hellbilly

    If I ever damaged the exposed threads on an AR15 receiver extension (never have in the dozen years I’ve owned and shot AR15s), I would just spend money on a new receiver extension that costs less than this fancy castle nut.

  • marine6680

    The set screw thing… useful if you need to change your takedown pin, but how often do you need to, and would you ever need to for reasons other than “I got new fancy pins”…

    The need to protect the threads? Yeah that’s a non problem.

    There are other end plates that offer a quick detach point for less bulk.

    It looks cool… in a way… which is a lot of their products are really about… They look cool and/or different. If I was building a rifle to look cool, I might use some of their parts in a color I liked.

    Some people may not see firearms as somewhere you can do things just for the fun or cool factor… I think it is a reactionary attitude to the anti gunner position. As there are other hobbies and activities that deal with various levels of danger, yet “cool” is still a valid reason to do or try different things.

  • felix

    Anybody ever pinch their hand using an AR? Lol

  • Bill

    Showing it off on a SIG M400 is really cool; after all, it already has milled-in QD sockets maybe half an inch from where this would locate a new one.

  • Independent George

    Exactly what my AR needs: more jagged corners right next to my face!

    I’m not a hater – I have a Strike enhanced bolt catch, and their enhanced takedown pins; I think both of those are good products that add a fair bit of functionality for a modest price increase. I also like their flat wire buffer spring (though I decided to buy a Geissele buffer instead).

    Some of their other products, though, just seem ridiculous to me. Good for them if it sells, but I just don’t see the benefit of this.

  • tired of this

    I like the way this looks. Gonna get one.