Hornady 366 Parts Diagram -

But the diagram told a deeper story. To replace #40, you had to remove the Primer Slide Stop Pin (#41). To reach #41, you had to loosen the Carrier Bracket Screws (#58). And those screws shared a line with the Shell Plate Index Pawl (#53). Everything touched everything else. The 366 was not a collection of parts. It was a grammar of motion.

That was the difference between a shooter and a reloader. A shooter saw a tool. A reloader saw a system.

Arthur’s hands smelled of powdered graphite and spent primers. That was the smell of Saturday. He sat on the swivel stool before the reloading bench, the gooseneck lamp casting a harsh circle of light onto the machine that had earned its keep for twelve years: the Hornady 366 Auto.

The stroke was crisp. The index was sharp. The primer seated with a sound like a cork popping. hornady 366 parts diagram

He decided to strip the primer system first. He loosened #58, caught the detent ball (#63) with a magnetic pick-up tool just as his own note predicted, and slid out the primer slide. There—wedged under the slide, invisible to any inspection port—was a flake of crimped brass from a military .45 case. A tiny shard, thinner than paper. That was the sponge in the stroke.

It wasn’t broken. That was the problem.

So Arthur did what he always did when a machine lied to him. He reached for the diagram. But the diagram told a deeper story

The parts list was not merely an instruction. It was a confession. Folded into the back of the manual, the exploded view showed the 366 as no human had ever seen it: disassembled, weightless, each component suspended in its own halo of white space. The main shaft (#7) ran like a spine through the ghost of the cast iron frame. Around it clustered the cams, the wedges, the wiper arms.

But he checked the seater punch anyway. He rolled it on a piece of float glass. A whisper of a wobble. Not bent. Just… tired.

He traced the primer system first. There it was: the Primer Slide (#39), a tiny steel boat that ferried primers from the drop tube to the seating punch. Next to it, the Primer Slide Spring (#40)—a fragile coil no bigger than his pinky. That , he thought. That’s the liar. And those screws shared a line with the

He pulled the diagram closer. Under the lamp, the paper had yellowed at the folds. He’d drawn his own notes in the margins over the years: “#27—replace every 5k rounds,” and “#63 (detent ball) WILL fly across room. Use magnet.” The diagram was no longer Hornady’s document. It was Arthur’s diary.

The 366 had simply stopped feeling right . The stroke was spongy. The index pawl hesitated. A single #209 primer had failed to seat yesterday, crushed sideways in its pocket like a tiny, silver pancake. That one misfeed meant distrust. And in reloading, distrust meant you pulled the handle again, slower, listening.

He reassembled the 366 by the diagram’s reverse order. Lower tier, then upper. Cam followers greased. Pawl timed to the shell plate’s detent. When he finished, he dropped a primed case into station one and pulled the handle.

Tomorrow he would load five hundred rounds of .45 ACP. Tonight, he had rebuilt a machine by reading its confession.