
Master Airscrew MR Series 12x4.5 Prop Set (1 CW + 1 CCW)
Master Airscrew · MPN MA.MR12x45SB2 · Maglev ID dr-masterairscrew-mr-12x45
US Made in United States unknown VERIFIED
California-made glass-fiber composite 12x4.5 multirotor prop pair.
Specifications
| Diameter | 12 in (304.8 mm) |
|---|---|
| Pitch | 4.5 in |
| Material | Glass-fiber-reinforced composite |
| Weight | 21.5 g per prop |
Who makes it
MakerMaster Airscrew (Windsor Propeller company)
Based inUnited States
RoleFactory
Need a different shaft, connector, firmware or enclosure, or a price at 1,000 units? Maglev takes the catalog part to the factory and comes back with a custom version and one fixed price.
Landed cost in the US
CN
37.5%+?
TW
10%+?
VN
12.5%+?
IN
10%+?
JP
12.5%+?
KR
12.5%+?
DE
10%+?
MX
10%+?
US
0%
Total US duty on this part by where it is made (2026-10-29). Mexico shown before USMCA preference; qualifying goods enter duty free. Your factory choice, not the shipping port, sets the origin.
Loading duty data…
Compliance
| HTS classification | 8807.10.00 typical, not a ruling |
|---|---|
| NDAA | unknown |
| Blue UAS | unknown |
| FCC | n/a |
| Notes | Maker: products 'designed and manufactured ... in California, USA'. Price per set of 2. Motors and props are not among the critical components enumerated in NDAA FY2020 §848, so no NDAA claim is made either way; check your program's own sourcing rules. |
Equivalents from other makers
Sources
- https://www.masterairscrew.com/products/mr-series-12x4-5-prop-set-x2-blackspecs, SKU, price (Shopify .json)
- https://www.masterairscrew.com/pages/about-usmade in California
Record confidence: VERIFIED. VERIFIED means the maker's own documents; REPORTED means a credible third party; UNVERIFIED means a single weak source. Anything we could not confirm says unknown.

