Tactical Thread Protectors – Backup Frag Caps
When gearing up your modern sporting rifle or AR platform, finish strong with Backup Tactical’s iconic frag thread protectors. Precision CNC machined from T6 aerospace aluminum, these caps cover exposed muzzle threads in a standout style. The rugged frag pattern looks like it leapt off the page of a WWII movie. Available in 1/2×28 and 5/8×24 thread pitches for universal rifle compatibility.
Shield delicate crown and muzzle threads from damage in the field with the Backup Tactical frag caps. Textured wrench flats ensure an easy installation while torque grooves align the protector properly.
Whether you need to cap a 5.56 NATO or .30 cal rifle, these tactical thread protectors get the job done in a head-turning fashion!
Specifications
1/2×28 Thread Pitch:
- Brand: Backup Tactical
- Model: Frag Thread Protector
- MPN: FRAG-BLK223
- Threads: 1/2×28 RH
5/8×24 Thread Pitch:
- Brand: Backup Tactical
- Model: Frag Thread Protector
- MPN: FRAG-BLK30
- Threads: 5/8×24


















