Pre-Ban HK93 A3 .223 Rem Semi-Auto Rifle with Choate Folding Stock & A.R.M.S. #18 Rail
This German-made HK93 A3 is a scarce, pre-1989 import that blends collectible pedigree with practical upgrades. It retains the classic roller-delayed blowback action but now wears a Choate polymer folding skeleton stock and an A.R.M.S. #18 claw-mount Picatinny rail, giving the shooter modern mounting options without altering the rifle’s original receiver. The result is a rare, customizable HK that remains true to its heritage while offering enhanced versatility.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent – Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent – Sharp lands and grooves.
What’s Included
- HK93 A3 semi-automatic rifle with Choate folding skeleton stock
- A.R.M.S. #18 HK claw-mount Picatinny rail (installed)
- One 25-round aluminum HK-pattern magazine
The HK93 platform is prized for its smooth, roller-delayed blowback operation—an H&K hallmark recognized for reliability and low felt recoil. Built on a stamped-steel receiver finished in HK gray/black baked enamel, this rifle upholds the durable standards collectors expect from West German production.
This example is a true pre-ban import, carrying “Made in Germany / HK Inc. / Arl. Va.” markings and the civilian shelf welds that confirm its original semi-auto configuration. Its status adds both historical value and heightened desirability for collectors seeking unaltered, import-compliant specimens.
The 17-inch cold-hammer-forged chromoly barrel is factory-threaded and capped with an open-tine flash suppressor. A 1:12 RH twist complements common .223 Rem loads, and the bore shows a mirror-bright finish with sharp lands and grooves.
Upgrades focus on shootability without permanent modification. The Choate folding skeleton stock cuts weight and improves portability, locking solidly for shoulder firing or folding to the right for compact storage. The A.R.M.S. #18 claw-mount rail provides a rock-solid base for optics while preserving the rifle’s original diopter sights—a hooded front post and 4-position rear drum.
Additional user-friendly details include a paddle-style magazine release, forward assist shelf on the rotary charging handle, and the familiar SEF selector markings. Together, these features make the rifle ready for range use while maintaining its collector-grade integrity.




