PRA-S Nipple, 12-28 thread, for Ruger Old Army revolver, #11 CCI cap, stainless steel, for Ruger hex socket or Track's #NW-130 wrench Cone length: 0.270" Thread journal length: 0.260" Overall length: 0.530" Diameter of base: 0.285"

PST-S Nipple, 1/4-28 thread, short for T/C rifles, #11 CCI cap, stainless steel Cone length: 0.300" Thread journal length: 0.200" Overall length: 0.500" Diameter of base: 0.307"

PST-SE-CA-S Nipple, 1/4-28 thread, 1/4" height for Classic Arm "Snake Eyes" pistol & Classic Arms "Ethan Allen" Pepperbox pistol, #11 CCI cap, stainless steel. Use nipple wrench NW-170 Cone length: 0.255" Thread journal length: 0.155" Overall length: 0.410" Diameter of base: 0.365" This nipple will not fit Hoppe's - Ethan Allen brand replica Snake Eyes pistols.

PTC-NS Nipple, 12-28 thread, for early pocket revolvers, #11 CCI cap, stainless steel Cone length: 0.255" Thread journal length: 0.200" Overall length: 0.455" Diameter of base: 0.290" Use nipple wrench #NW-130

PTC-PI Nipple, 12-28 aka 5.5-.9mm metric thread, for most brands of .31/.36 Colt and Remington pocket revolvers and many Uberti 1851, 1860, 1861 Colt & 1858 Remington revolvers, Colt brand second generation 1851 & 1860 revolvers, #11 CCI cap, hardened steel Cone length: 0.285" Thread journal length: 0.200" Overall length: 0.485" Diameter of base: 0.295"

PTC-PS Nipple, 12-28 aka 5.5-.9mm metric thread, for most brands of.31/.36 Colt and Remington pocket revolvers and many Uberti 1851, 1860, 1861 Colt & 1858 Remington revolvers, Colt brand second generation 1851 & 1860 revolvers, #11 CCI cap, stainless steel Cone length: 0.285" Thread journal length: 0.200" Overall length: 0.485" Diameter of base: 0.295"

PTC-S Nipple, 12-28 thread, for Thompson Center Seneca and Cherokee rifles, & T/C Patriot pistol, #11 CCI cap, stainless steel Cone length: 0.300" Thread journal length: 0.200" Overall length: 0.500" Diameter of base: 0.305" Use nipple wrench #NW-170

RLGP-S Nipple, 6-.75mm metric thread, for Investarm Gemmer Hawken, Lyman Great Plains, Deerstalker, Trade Rifle #11 CCI cap, stainless steel Cone length: 0.375" Thread journal length: 0.195" Overall length: 0.570" Diameter of base: 0.307"

RLP-MS Nipple, 6-.75mm metric thread, for Lyman Great Plains Rifle, Trade Rifle & InvestArm rifles, musket cap, stainless steel, requires a well centered hammer cup! Cone length: 0.440" Thread journal length: 0.195" Overall length: 0.635" Diameter of base: 0.307"

RLP-OS-S Nipple, 7-.75mm metric thread to REPAIR Lyman Great Plains Rifle & Pistol, Trade Rifle, InvestArms, Cabela's Hawken and other Italian replica rifles, #11 CCI cap, stainless steel Cone length: 0.440" Thread journal length: 0.195" Overall length: 0.635" Diameter of base: 0.307" 7-.75mm threads to be used to repair rifles with damaged 6-.75mm factory threads. Use a 7-.75mm tap to enlarge the damaged threads. Dope the nipple threads with #BC-CTL choke-tube-lube before first insertion of this snug nipple.