HTA Bullpup Chassis

Discussion in 'Hi-Point Carbines' started by B_Cassidy, Nov 28, 2016.

  1. kinsharu

    kinsharu Member

    its a mix of elvis and ash from evil dead:D

  2. kinsharu

    kinsharu Member

    Has anybody who previously upgraded the carbine trigger dropped it into one of these stocks?Was the trigger upgrade better to begin with?Did the trigger if better to begin with make bullpup trigger any better?
  3. SWAGA

    SWAGA No longer broke... Lifetime Supporter

    Any of the trigger upgrades are cosmetic only, it doesn’t change any of the linkages.
    With an aftermarket stock you’re always dependent on the provided linkages from the receiver to the trigger guard.
    kinsharu likes this.
  4. kinsharu

    kinsharu Member

    yea kinda what i figured.
  5. mikepolo

    mikepolo Member

    Has anyone tried the new 45 cal. Promag 40 round drum out?? Would like to know before I buy one.

    TNTRAILERTRASH Supporting Member

    What does it fit?
  7. wanderson

    wanderson Member

    Well apparently it’s branded for the 4595. I was expecting a 1911 drum.
    $120 bucks list price, about $90 from most vendors like GunMagWarehouse.
    While I am not a fan of Promag and have tossed a few in the trash over the years, I will say I bought a Promag AK drum years ago and it never gave me any trouble.
  8. Easy co

    Easy co Member

    Just got my bull pup with holo scope. Sighted in scope , and it had kept zero through 100 rounds so far. Put in MCARBO guide rod and recoil spring and their seat spring for trigger.

    Attached Files:

  9. SWAGA

    SWAGA No longer broke... Lifetime Supporter

    Oh oooooh...
    Have you read any of the many threads here about the ‘sear spring’?
    Think1st likes this.
  10. Blair

    Blair Member

    undeRGRound and ratchowmein like this.
  11. hans471

    hans471 Member

    OK, I did a sear spring change. I got one of the new kits from Mcarbo. I went through the install and did a good cleaning and light oiling with some good light gun oil while it was apart. The trigger works great.
    Some have commented on putting in too light a spring on the sear. I would agree with that 100%. The fire control system on a 995 is very low tech and simple. This carbine was designed to be dirt simple and inexpensive to produce to make it very affordable. I would not be in a hurry to start making modifications to the FCG trying to get a super light pull on the trigger. That said Mcarbo makes it clear that they tried lighter sear springs for the 995 and rejected them as they were not dependable enough. So, while they do provide a slightly lighter sear spring its not "too light" where it compromises the safe performance of the firearm. I will say I did the spring and the new recoil spring and SS guide rod and am very pleased, so far, with how it works. With my HTF stock (early model with adjuctable trigger) the trigger is now quite nice. No, its no match for one of my custom high dollar AR match triggers but its a very smooth, reasonable pull that I am very satisfied with. After I run a few hundred rounds through it I will report back if there is any problem with it. For now I find the set up to be quite nice for what it is and clearly an improvement over the original. (maybe a very good cleaning and the high end lube helped there also!

    TNTRAILERTRASH Supporting Member

    ...........and I won't come in your mouth. So there is a legal warranty on this spring saying they'll provide you with a lawyer in case anything goes wrong, right?
  13. hans471

    hans471 Member


    So glad to see people with a sense of humor.

    I won't trouble you with listing my decades of firearms experience, training, military background, etc., etc, etc. Nor would you be aware of my educational background or working experience. Let's just say this is not my first rodeo. To paraphrase a well known commercial, "I know a thing or two because I've seen (and done) a thing or two."
    You do not know me personally nor would you know how conservative and cautious I am with any work I do so I will just smile at your comment. The Mcarbo spring is a slight (about one third) reduction from the factory spring. The factory spring is heavy as it conservatively designed to cope with manufacturing variations, especially on new rifles before they are broken in and smoothed out.
    My carbine is several years old. The parts are nice and smooth and work very well. A one-third reduction on this spring is not a lot for a machine that is broken in and has been gone over, closely inspected and all parts are moving smoothly.
    Any time a firearm owner modifies a factory firearm there is always the chance of a problem. That said most engineers over design parts, especially on something like a firearm with the heavy attached liability that goes with a machine that can injure or kill. Mcarbo is very up front about this sear spring and how they rejected lighter designs as they would not insure safe operation.
    I am fully qualified in automatic firearms. Any time I fire ANY semi-auto weapon I am aware an internal failure can result in the firearm "running away". (Been there, done that!). Any time I acquire or service any semi-auto firearm I always load only three rounds in the magazines until I am confident in the operation of the piece. I doubt many people follow that practice but then again, I have been down this road a few times before and know the territory.

    I appreciate your comment and understand your concerns but I have no qualms about performing this change. I have owned and used 995's since they first came out many years ago. (Knew the distributor in Ohio and got one when they first hit the market. I am not new to this firearms by any means.) BTW, if you look at the 188 users that commented on this Mcarbo sear spring they are all 100% 5 star positive and there are no issues reported with it.

    Have a good day and stay safe. Attempt no work or modifications to any machine that you are not qualified to work on or feel confident in doing.
    Roger Jimenez likes this.

    TNTRAILERTRASH Supporting Member

    I upgrade triggers, and do other things. Sorry you felt the need to type all that tripe over a stupid $5 spring. It's the interwebZ I have hot red heads coming and going everyday. They bring money, drugs and booze.
  15. hans471

    hans471 Member

    I write for the fun of a professional technical educator I wrote a LOT!
    I started shooting as a child growing up on a farm. I started actually working on firearms while in college (1960's...I am old!). I had one of those Erma .22 pistols that looked like a German Luger. They were cheaply made and broke parts and replacements were impossible to find back then so I took to making improved replacement parts in one of my Engineering machinist classes. Later in the military I was trained on the care and feeding of a wide range of military firearms and had to know their internal operations inside and out.
    I have a fair collection of quality firearms but have a weak spot for the 995. Its a personal emotional thing as my first adventure into Pistol Caliber Carbines was back in the "90's. At the time I wanted to try a PCC but didn't want to invest much money yet as I was unsure if I would use a PCC that much. I picked up one of the then new 995's for under $150 if I recall. Since then I upgraded to the TS model due to its improvements. When the the HTA stock came out I had to have one. I currently have two late model carbines, a 9mm and a .380 (just for fun, its in a ATI stock so it visually matches my trusty Beretta CX-4).
    I own Hi-Points because I appreciate how a small company can engineer such a reliable firearm that shoots well and is very reasonably priced. That low price brings with it some limitations, but I can live with those. Well, most of them at least. That trigger was a weak point until now.
  16. lklawson

    lklawson Staff Member

    Settle down trashy. He didn't do anything wrong and he obeyed all the rules. He listed his reasons and his reasoning. Let it go for now and see what happens later.
  17. SWAGA

    SWAGA No longer broke... Lifetime Supporter

  18. sandog

    sandog Member

    Got my recent purchase, a used 4595 put into the HTA stock yesterday. Just have MBUIS on it for now, I ordered an optic which will be here in a few days. (Primary Arms 1x Cyclops Prism).
    So my $150 beater truck gun is turning into an $800 one.

    The HTA stock is great, much easier for this lefty to use the mag release, forward charging handle is easier to get some leverage on, and it balances and takes down nicely too.

    My only gripe is the Hightower trigger. On my handgun triggers (S&W M&P and Glock) you have to pull near the bottom to depress the "dingus" to get it to fire.
    On the HTA stocked HP, that will result in the gun not firing. So I have to remember when switching over to the Bullpup to keep my finger at the top of the trigger.
    I wish Andy would have done the trigger differently.

    Went shooting this morning to sight in the irons, as the PA Prism won't be here for a few more days. Shot at 20 yards to make sure it was on the paper, and after getting adjusted to hit center, moved out to 70 yards. (As far as our informal handgun range will allow).
    The FMJs were hitting 4 to 5 inches low. (No one ever accused the .45 ACP as being flat shooting). But groups at that range were 3 inches.

    Had a lot of fun shooting some steel spinners I put out. But that weird top pull trigger will take some getting used to. I have a Vickers sling I'm putting on this afternoon, and will get the barrel threaded when I get some time in the next few days.
    I like how quiet this shoots. I had some earplugs in, but could have done without them.
    My friend was shooting his 10.5' barrel AR pistol, and that thing was very loud, I had to grab my headphones when he started shooting. 20200902_083407.jpg 20200902_083449.jpg
  19. Think1st

    Think1st Supporting Member

    Everytime I see one of those, it makes me want to get one that much more. I have a 4595, too, and I do like how relatively quiet the round sounds from a longer barrel.
    undeRGRound and sandog like this.