.310 JAP ARMOR PIERCING PROJECTILES
$4.50
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Description
Description
JAPANESE ARMOR PIERCING PROJECTILES
BRASS JACKETED WITH EXTREMELY HARD AP CORE MADE OF  SIMILAR ALLOY CLOSELY RESEMBLES US 52100 HARDWEAR & IMPACT RESISTANT SHATTER PROOF TOOL STEEL
ROCKWELL C60 HARDNESS
these can be easily resized to .308 using a drill press and grades of sand paper to reduce size them running in a die to easily form to .308
Specifications
- Short Stroke Gas Piston Gas System (Rifle Length)
- 18.6″ Barrel Length ( Mid-Weight style, non-fluted)
- 1:8 Twist Rate Rifling