This hasn't been updated in more than a year, but I'm throwing in my two cents after a year of MR762 testing. (EDIT: I will be working with Jack from Knights Armament to better discuss this topic, contributing my expertise on the HK G28/MR platform, versus the extensive history and current availability of the SR25 platform)
Use my writeup for detailed reference:
https://www.hkpro.com/threads/a-precision-shooters-technical-tour-the-mr762-vs-m110a1-dmrs.563662/
Also for a hopefully extended thread on the MR's abilities, I already started this thread:
https://www.snipershide.com/shootin...-precision-shooting-show-your-groups.7198267/
Why an MR762 over a KAC, FN, LMT or LaRue? Preference.
I grew up loving the HK PSG-1 and SR9TC. So, I naturally fell in love with the G28, and so I invested in the platform.
If I had zero irrational brand loyalty, I'd be begging LMT for their MRGG-S 6.5CM Prototype submission to be offered to the commercial market.
The MR762 when properly gassed & tuned will be more accurate than a G28, 417 or M110A1 by default of not being chrome lined; it is a match grade with 4R tapered rifling. The preferred model is the now LRPIII package as it uses the 1:11 twist heavy barrel, while the base rifle uses a medium contour 1:12 barrel. Barrel materials are the same regardless of location; HK USA gets barrel blanks from Germany, and does the final work on them for ITAR purposes.
The MR762 can do 0.35 MOA 3-shot group, 0.65 MOA 5-shot group, and 0.95 MOA 10-shot group, per my own testing with Hornady TAP ELD AR 168gr.
Which is going to be the best all-around rifle? LMT, plain and simple. It is a better KAC due to being the OEM manufacturer of most of the KAC M110 SASS, while offering both a piston or DI variant. The difficulty with LMT is parts accessibility.
This has been deemed false by the head of sales and marketing at KAC. My source on this was Small Arms Solutions. I'll try to find the video on where I got this information from. I hope to expand on my response to better reflect just what the M110 SASS is, and how it is made, compared to everything I know about the H&K.
Some KAC/LMT/LaRue will shoot better. Some will shoot worse. What you get from HK is the consistency in their MR line as their mass produced rifle has one of the tightest QA of any weapons manufacturer, and frankly, you buy an H&K for the secret sauce that is their metallurgy aka "French Cannon Grade Steel." You'll have greater variance with the other manufacturers out of the box. But, this can easily be remedied from some basic gas and barrel tuning, so it doesnt negate one over the other.
But price vs performance when all in building any of these rifles? The best bang for buck would be between the HK and LMT; pricing would be equal to build out either as complete SASS packages, and parts availability is slightly better with HK than LMT (ever been on a wait list for LMT's enhanced reliability BCG? Expect to wait a year or two.) The difficulty with KAC is parts and weapon system availability to the commercial market... I've been trying to find a brand new SR25 for sale for years.
What is actually quite cool, after a lengthy conversation with Jack below from KAC, is that the SR25 and M110 you buy from KAC, is EXACTLY what is issued to the military. Nothing is neutered, nothing changed. You're paying for the exact grade rifle our military snipers use, period. But... you're also paying for this.
As far as the M110 vs M110A1: both platforms got screwed over by Big Army making irrational demands that neuter or dement the harmonic balance of the SASS. The A1 is having teething issues just like the original M110 had, the details way too long to list here so view my original link from HK Pro as I update.
Please ask questions. Ive also asked others to share their shot groups to demonstrate what the MR (Match Rifle) platform can and cannot do.
https://www.snipershide.com/shootin...-precision-shooting-show-your-groups.7198267/
And for the record, it is a 1000 yard rifle easily, and 1200 yards on a good day with Federal Berger 185gr. 700 yards is effortless... Like a video game, effortless.