Tetra ProSmith Brass Core Bronze Brush (5/16-27 Male Thread) 20 ga
$2.16
The Tetra ProSmith Brass Core Bronze Brush is designed for effective fouling removal in 20 gauge barrels, featuring a durable brass core that ensures a close tolerance fit without scratching the steel. With a 5/16-27 male thread, this brush is a reliable, reusable tool for maintaining your firearm’s performance and longevity.
Out of stock
Tetra Gun ProSmith tightly wound precision brass core brushes effectively remove fouling from gun barrels.
- Industry standard 8-32 male thread (5-40 for .17 Cal. & .204 Cal.)
- 5/16-27 male thread (12 20 28 & 410 Gauge)
- Close tolerance specifications for perfect bore fit
- Will not harm or scratch steel
- Durable and reusable
| Weight | 0.050 lbs |
|---|---|
| Dimensions | 5.600 × 2.100 × 1.350 in |
| Manufacturer | Engineered Materials Inc. DBA Tetra Gun |
| Finish | Bronze |
| Material | Brass |
| Compatible With | 12, 20, 28, .410 gauges |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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