I also thought that this was a marketing gimmick since the rounds look identical. However, the HD ammo sells for about 20% less in some places. Remington must have found a way to take cost out of the manufacturing process or they are using lower cost materials in the HD ammo. Both types sell in boxes of 25 rounds and both are nickel plated.
As thesheepdog mentioned, the Golden Sabers feature waterproofing seal. However, I wouldn't expect that to account for much cost difference.
From the Remington web site:
Golden Saber
Key Features:
High-performance jacket (HPJ) handgun ammunition built around revolutionary hollow-point bullet design
Jacket made entirely of cartridge brass, which releases energy over longer distance while mushrooming
Spiral nose-cut feature permits mushrooming at lower velocity without sacrificing penetration or terminal performance
Primer and mouth waterproofing standard
Cases nickel-plated for reliable feed, function and extraction
Home Defense
Overview:
Loaded with our high-performance Brass Jacket Hollow Point (BJHP), these new rounds deliver massive expansion and deep penetration for ultimate stopping power. Premium nickel-plated cases resist corrosion and cycle dependably through extended storage. Available in the most popular pistol and revolver calibers.
