Yhm Srx Thread Protector Blk
- Finish-Color:
- Black
The Yankee Hill Machine sRx Black Thread Protector is a precision-machined dust cap designed to safeguard the threads on your sRx suppressor mounts when your can is off the rifle. If you're running YHM's sRx system or any suppressor with a 1 3/8" thread pitch, this simple accessory prevents dirt, debris, and accidental dings from compromising the integrity of your mounting threads—a small detail that pays real dividends in the field and at the range.
Built from 4140 chrome moly steel and finished in black oxide, the thread protector is built to handle rough use. At less than half an ounce and just over half an inch long, it's lightweight enough to pocket or stash in your gear without thinking about it. Precision machining means it fits snugly on your sRx threads without wobbling or binding.
Whether you're swapping suppressors between rifles, cleaning your can, or simply storing your gear between hunts, this protector keeps your threads clean and ready for the next shot. It's one of those unglamorous but genuinely useful pieces of kit that experienced shooters keep in their range bag or gun case.
Key Features
- Precision-machined 4140 chrome moly steel construction for durability
- Black oxide finish resists corrosion and blends with tactical gear
- Lightweight design (0.448 oz) fits easily in a pack or pocket
- Compatible with YHM sRx system and any 1 3/8" thread suppressor
- Protects threads from dirt, damage, and corrosion when suppressor is removed
Specifications
| Material | 4140 Chrome Moly Steel |
| Finish | Black Oxide |
| Weight | 0.448 oz |
| Length | 0.5625" |
| Diameter | 1" |
| Thread Pitch | 1 3/8" |
Frequently Asked Questions
Is this thread protector compatible with my suppressor?
The sRx Black Thread Protector is designed for the YHM sRx system and fits any suppressor with a 1 3/8" thread pitch. Check your suppressor's documentation or thread size before purchasing.
What's included in the box?
You receive one thread protector cap. It is designed to cap the male threads on your sRx mount when your suppressor is removed.
Why would I need a thread protector?
Thread protectors keep the precision-cut threads on your suppressor mounts clean and free from damage when your can is off the rifle. Dirt, dust, and minor impacts can compromise thread integrity, leading to loose fits or installation problems. A simple cap prevents those headaches.
Will this protector come loose or fall off?
The snug, precision-machined fit is designed to stay seated on your threads without excess play, though we recommend storing it in your range bag alongside your suppressor when not in use.

