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Bullpup Unlimited Mossberg 500/590 Conversion Kit Reviews

*Please Note!! Many of our pictures are stock photos provided to us by the manufacturer and do not necessarily represent the actual item being purchased. Please verify this picture accurately reflects the product described by the title and description on this page before you place your order.

 
Product Reviews Ratings Summary
 
19 Reviews. Average Rating:    4.7 of 5 Stars!
5 stars:
   
79% (15 of 19)
4 stars:
   
11% (2 of 19)
3 stars:
   
11% (2 of 19)
2 stars:
 
0% ( of 19)
1 star:
 
0% ( of 19)
 
 
Displaying 1 to 6 (of 19 reviews) Result Pages:  1  2  3  4   
by Aaron R Monday 24 September, 2018
As a 18 year veteran Police Officer, I have found that being 5' 8" and a stocky 240 lbs it has always been difficult to carry my standard length Mossberg 590 A-1 long gun in the field dragging it in and out of the cruiser without the concerns of knocking the dam thing into door jambs or dragging it against the walls at the worst possible times. However I have recently found several You-Tube videos pertaining to a very unique bullpup conversion kit manufactured in Kentucky, USA by Bullpup Unlimited, the videos demonstrate how to convert your existing Remington or Mossberg 12 Ga. factory length shotgun into a much shorter bullpup without reducing the overall barrel length. With the addition of a AR style grip, selector safety, adjustable sling mounts, picatinny rails for optics and other accessories I knew this was a product worth looking into. After I placed my order with Bud's.com they were super fast with my shipping email updates keeping me posted on delivery times and it arrived on time and in perfect condition. If you are not the above average gunsmith, I would strongly advise you to read the simple step by step instruction manual and follow it to the letter depending on the weapon system you are using and of course always start with a clean well lit environment free of distractions for about 2 / 3 hours using a clean, oiled, function tested, completely empty weapon keeping your 12 Ga. ammo separated in another room before you begin to avoid any possibility of accidents. Once your old shotgun is completely reborn into a 12 Ga. conversion bullpup you may just find yourself enjoying a whole new level of love for shooting 12 Ga loads. (even slugs) I would highly recommend this Bullpup Unlimited conversion kit for your ultimate 12 Ga. home defense weapon that has virtually endless "practical / tactical" possibilities. P.S. Looking forward to the Next Gen BU-II version for the Mossberg 590-M (Magazine fed)

Rating:     5 of 5 Stars!
by Andrew M Thursday 22 February, 2018
NOT BAD FOR WHAT IT IS I purchased this bullpup conversion kit because I wanted to see what it was like to have a bullpup system without the bullpup price-tag. Assembly was pretty straight forward, after following a youtube video I ended up having thing assembled in less than an hour. The firearm felt solid in the kit and nothing feeling \"loose\". There were two things I thought could use improvement. The trigger in the kit comes vertically sliced in half with one half sitting about 1/4in further forward then the other. It was designed this way on purpose to act as a trigger safety, problem I found with this was that it was uncomfortable and overall unnecessary since the kit already gives you an AR style safety on the side as well. My simple solution was to take the two trigger pieces and wrap them together with a SMALL amount of electrical tape to keep even with each other followed by a heat gun and some black shrink tubing. It made the trigger feel like a single piece that felt better to the touch. The other problem I found was since the kit holds the firearm together with so many screws it can be a pain in the ass to take apart to clean the firearm. It wasn\'t a big deal but time-consuming since after you finally got the kit off you then had to clean the firearm, then reassemble everything back together and put back into the kit. All-in-all I found it to be a good purchase. If you already have a Mossberg 500 and your looking to have a bullpup without paying bullpup price then this kit will do the job nicely.

Rating:     4 of 5 Stars!
by David O Thursday 24 August, 2017
I wanted a bullpup type shotgun for home defense. I had a Mossberg 500 and decided to add the Bullpup kit to it. The Bullpup kit is easy to install and fully functional however in hind sight not the best solution for my intended use. Looking back on this purchase I would have been ahead selling or trading my Mossberg for one of the factory built bullpup type shotguns that are available from other manufacturers. The combined price of a Mossberg pump action shotgun and the Bullpup kit is approaching the price of factory made bullpup shotguns which have double the magazine capacity. For me this is a case of live and learn.

Rating:     3 of 5 Stars!
by brandon m Wednesday 31 May, 2017
Hey Team Bud's! First off, your customer service is boss, just like the Bullpups Unlimited converson kit for the ole Mossberg 500! We had no issue with the install. For the price ,you can be a Colonial Space Marine at home or at the range. The design is great for home defense making it easy to preform sweeps , with the added padding ,recoil is nicer. I'm getting to old to practice with buckshot or slugs , so overall , I got what i wanted and paid for ,without breaking the bank. If you are in the market to spice up the life of an old friend ,JUST DOOO EET! Take care, MERICA!

Rating:     5 of 5 Stars!
by paul r Wednesday 21 December, 2016
I'm very impressed with this bullpup kit. It's a very well thought out design that installs easily. Everything lined up perfectly with no fitting problems. My trigger is now heavier and mushier but still very useable. My shotgun is now much shorter and functions flawlessly.

Rating:     5 of 5 Stars!
by Bryant N Thursday 18 August, 2016
The Conversion Kit made my cheap Mossberg Maverick 88 into the best looking tactical shotgun! This kit is for budget wise gun owners who wants the tactical shotgun such as the Kel-Tec KSG or DP-12. Even though the kit will not alter the limited magazine tube; the pro over weighs the con when it deals with reduces length of gun (California Legal Length 18-20 inch barrel), best choice for home defense, and perfect fit for gun owners who has short arm length between the stock and trigger placement.

Rating:     5 of 5 Stars!
Displaying 1 to 6 (of 19 reviews) Result Pages:  1  2  3  4   
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