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Discussion Starter · #1 ·
Im having a hard time deciding which one to go for. I could get a TPM MP5SD pistol but at the same time, I could get a USC/UMP Conversion for the same price. Whichever one I buy will be SBR'ed for sure. Also I live in a state that doesnt allow full-auto so no sears. What do you guys think and which one do you prefer?
 

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TPM MP5SD without a doubt. The MP5 is much more svelte than a UMP. UMPs look cool in pictures, but they're kinda bulky. Also the straight blowback is a step backwards from the roller delayed blowback system. I'll never understand why some people think "No sear? Throw that ****ing MP5 in the garbage then." (not Rodmar - just a sentiment I see in general)

Frankly I think an MP5SD on full auto would be kind of a pain to keep up with because of the cleaning regimen that would require. That aside, SDs are one of the most iconic guns of all time, one of the quietest semi-auto centerfires ever, and are stupid fun to shoot. They're smooth in a way the UMP (and the other guns like Scorpions, etc.) can't compete with, and that's the real reason I would pick the MP5 every time over any other PCC.
 

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Discussion Starter · #4 ·
Whats the ergos like on a UMP compared to a MP5? Ive handled Mp5s before and I like it alot but wouldnt mind trying something new. Are UMPs comfortable to handle? LOP compared to a MP5 with a F stock?
 

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I would go with the MP5SD. I have a UMP 45 and it's a nice piece but I also tend to pull the MP5s from safe first when it comes range time.

Why? Subtle things I guess. The std UMP buttstock length of pull is a little long for me. So I opted to have Tommy make an adjustable stock, which he does by grafting the front of the UMP stock with the rear of a Bushmaster ACR stock. This help the LOP issue for me but the cheek weld rides a little high for me now...

Grab the MP5 and go:)
 

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MP5SD with out a question. I have only held an UMP but never fired it. For me it did not feel comfortable. You can buy a Hensoldt scope made for the MP5SD. I have one on mine and absolutely love it. They are cammed for 15 meters to 100 meters using 124gr bullets.
 

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I vote UMP.





And here's why: you need a USC receiver to build one. The USC isn't made any more, so they're kind of limited. The MP5SD on the other hand can be built today, using 100% US parts by any number of builders, whenever you're ready, AND, in an optimistic scenario, if HPA passes, you could in theory buy the SD suppressor and have it immediately.

The SD has about 6 suppressors to choose from (that I can think off of the top of my head) that cost anywhere from $500-1500. The UMP with a threaded barrel has whatever .45 can you want.
 

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I vote UMP.





And here's why: you need a USC receiver to build one. The USC isn't made any more, so they're kind of limited. The MP5SD on the other hand can be built today, using 100% US parts by any number of builders, whenever you're ready, AND, in an optimistic scenario, if HPA passes, you could in theory buy the SD suppressor and have it immediately.

The SD has about 6 suppressors to choose from (that I can think off of the top of my head) that cost anywhere from $500-1500. The UMP with a threaded barrel has whatever .45 can you want.
Nice array of HK goodness. The only comment I might offer in reply is that the German UMP barrels have a flange mount instead of threads. The B&T is (currently in jail) is the only can I know of for this mount, excepting the Gemtech can which is hard to find and can the problematic to fit based on what I have read.

Gun Firearm Trigger Rifle Airsoft
 

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Nice array of HK goodness. The only comment I might offer in reply is that the German UMP barrels have a flange mount instead of threads. The B&T is (currently in jail) is the only can I know of for this mount, excepting the Gemtech can which is hard to find and can the problematic to fit based on what I have read.

View attachment 85177
Read my last sentence you quoted ;)
 

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Just so I am clear, you have not shot either a UMP or MP5 SD, but you plan on spending in the neighborhood of $3,000+ to buy one or have one built? If you have not shot either one, I would go to a rental range and try them in semi. Usually if there is a model I wish to try, I search for a used one, at a good price. If I like it, I'll keep it. If I don't, I'll sell it for what I paid. But especially with the extra tax stamp for the can and all the waiting just to try it, the SD will take forever until you could try it. If you don't like the SD, the loss on the extra stamp for the can to be sold out of state would make it that you'd have to get one heck of a deal on the SD to break even on the resale of the SD.

To me your question is so subjective. Especially since there is a can thrown into the decision. I have no idea as to how you perceive sound, what your size and weight are. Even if we where of the same height and build, how something feels, weighs, or sounds like, could still be totally different than it would be to me. Now as far as versatility, the UMP can be shot in 9mm, .40 S&W and .45 ACP., suppressed or unsuppressed. The SD is a "one trick pony". But what a cool trick the SD has.

The biggest thing I didn't like about the UMP is it is blow back. I have found, the more mass moving around inside a gun, compared to the total weight of the gun, the more the gun moves around per shot. The greater the movement of the gun, the slower follow up shots are for me. It is my understanding that the UMP replaced the MP5 series simply because the UMP was much cheaper to produce, but could be sold for about the same money. Therefore, higher profit margin for HK with the UMP with the benefit of being more modular. Could the MP5 have been "updated" in this way? I'm sure that the MP5 series could have been adapted to a modular steel/polymer receiver, but would have cost more money to adapt the roller locked function to the new style of manufacture than simply make the gun with a blow back mechanism. But HK management at the time was looking for profit.

So go to a rental range and try a UMP and MP5 SD. Even then, you aren't going to be able to try the SD without hearing protection with other shooters using unsuppressed firearms around you. I live in NH and waiting on an orientation class to join Pelham Fish & Game. So you wouldn't be able to shoot one of my SD's after March. By the same token I don't own a UMP clone, nor am I interested in buying one. To me the UMP is a step backward, but there are others here that love their UMP clones. My first SD was a Coharie Arms that I bought for $1,450 including the can when Todd had his "Going Out Of Roller Locked Guns" sale. I replaced the MIMs bolt with a RCM bolt and I had the can "upgraded" by RCM. The Original CA can had all stainless steel internals and weighed over two pounds. That made the gun very "muzzle heavy" to me. RCM replaced the internals with anodized aluminum and shaved over one and a half pounds off the weight of the can. All told I have just over $2,000 in it including the tax stamp. So even if I didn't want it, I could have sold it for what I had in it. YMMV.

Scott
 

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If you're talking about a german MP5SD, get that. If you're comparing a clone SD to a german UMP, get the UMP. But that's just because I'm partial to the genuine article. I know some of the clones are fantastic, I just like original stuff. Or just flip a coin, get one now, the other later on, because you know you'll want one of each. I have an MP5-N, it's my favorite range gun ever. I'd have a harder time choosing if I had a 9mm setup for my UMP. I really don't think you'll be unhappy no matter which way you go, they are both great guns. Being somewhat of a purist, I only shoot the MP5 with the iron sights, but have an EO Tech on my UMP. It's lots of fun shooting a baseball sized hole in the target after a few magazines with little concentration at all.
 

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From someone that has a UMP conversion, get the TPM MP5SD. If I could, I would. Don't get me wrong, I love my UMP, but there is just something about the MP5SD.......
 

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the UMP can be shot in 9mm, .40 S&W and .45 ACP., suppressed or unsuppressed. The SD is a "one trick pony". But what a cool trick the SD has.
That's a big part of it, however the MP5 has more magazine options, and I feel parts availability is better for the MP5.
 

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I'm sort of in the same boat, except I have a sear. On that evidence, getting an SD seems like a no-brainer.

But I have to admit, there is an appeal to having something a little different (I have an N and a K). And whereas SD prices have stayed about the same for a few years, the price on USCs and consequently the cost of doing a UMP conversion continues to rise. Used to be able to do a UMP conversion for under $3000. As I understand it, at this point, you'd be hard-pressed to get it done for under $4000.

If prices on USCs continue to rise, it's going to dampen the appeal of doing those conversions less IMO. That is, unless the ATF were to alter its position and allow HK Sears to be installed in the platform and the guns are modified to accept them. That's not going to happen

So in one way, I think it's a case of "if you want to do one, you better do it now." Because in another year or longer, it'll probably just be stupid money to do so
 

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Discussion Starter · #16 ·
Also the only real reason why Im seriously considering a MP5SD is if the HPA passes otherwises I dont really feel like going through another F4 wait time
 

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I have both. UMP in 45,40 and 9mm. My SD is a clone. UMP's are USC's converted. I prefer my SD. I do agree with the other opinions of other posts. Go to a range and rent both before you drop $2500 or more.
 

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Also the only real reason why Im seriously considering a MP5SD is if the HPA passes otherwises I dont really feel like going through another F4 wait time
LMFAO, if you are making a decision on whether or not the HPA is going to pass or not you need to rethink your thought process.
 

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I'm sort of in the same boat, except I have a sear. On that evidence, getting an SD seems like a no-brainer.

But I have to admit, there is an appeal to having something a little different (I have an N and a K). And whereas SD prices have stayed about the same for a few years, the price on USCs and consequently the cost of doing a UMP conversion continues to rise. Used to be able to do a UMP conversion for under $3000. As I understand it, at this point, you'd be hard-pressed to get it done for under $4000.

If prices on USCs continue to rise, it's going to dampen the appeal of doing those conversions less IMO. That is, unless the ATF were to alter its position and allow HK Sears to be installed in the platform and the guns are modified to accept them. That's not going to happen

So in one way, I think it's a case of "if you want to do one, you better do it now." Because in another year or longer, it'll probably just be stupid money to do so

This is a big part of mywhat halted my USC/UMP T-Bostic conversion!! By The time you're done you put more money into the conversion then what the gun is worth on the open market. So the only way to do a UMP as if it is a labor of love and/or you're a collector and want that particular HP product I am very conscientious of how much I put into a firearm whose value is not rising.. The cost of the USC is rising because they're becoming more and more rare I think I paid 2000 for mine at the time and now they're over 3000 at times. So the cost of the conversion keeps going up faster than the value of the fire arm has to be a labor of love and I just and love it that much I would do the MP5 SD they shoot so nice!!
 

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MP5SD with out a question. You can buy a Hensoldt scope made for the MP5SD. I have one on mine and absolutely love it. They are cammed for 15 meters to 100 meters using 124gr bullets.
Yes you can. :biggrin:

http://www.hkpro.com/forum/hk-parts-accessories-sale/235003-nos-h-k-9mm-scope-mp5.html


Also, I recommend the TPM Outfitters product without reservation. I have about a thousand rounds through mine without a single malfunction from either straight or curved mags.
 
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