
Ridgid 15-Degree Coil Roofing Nailer
Score: 82/100
Metabo HPT NV45AB2
Score: 88/100Rankings

The Metabo HPT NV45AB2 is a lightweight pneumatic coil roofing nailer designed for high-speed nailing with a 3 nails/sec firing rate and dry-fire lockout. It features a side-loading magazine and tool-less depth adjustment. It is best suited for professional roofers and siding installers who prioritize speed and low weight.

The RIDGID R175RNF is a pneumatic 15-degree coil roofing nailer featuring Fasten Edge Technology and a lifetime service agreement for enhanced reliability. It offers excellent features like dry-fire lockout and tool-free adjustments, though some users experience initial feeding quirks. Best for DIYers and small contractors performing roof repairs who value warranty coverage.
| Attribute | ![]() | ![]() |
|---|---|---|
1.75 inchesbest | 1.75 inchesbest | |
120 nailsbest | 120 nailsbest | |
50 PSI | 120 PSIbest | |
| ↓ lower better | 6.59 lbs | 5.5 lbsbest |
— | 180 nails/minbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Performance(2) | ||
Operating Pressure (PSI) (PSI) | 50 PSI | 70-120 PSI |
Air Inlet Size | 1/4" | 3/8" |
Ergonomics & Build(4) | ||
Weight (lbs) | 6.59 lbs | 5.5 lbs |
Housing Material | Aluminum | |
Exhaust Adjustment | true | |
Grip Type | Overmolded | Rubber |
Controls & Adjustments(2) | ||
Actuation Mode | Sequential/Contact | Sequential/Bump |
Safety Lockout | true | |
Nail Compatibility & Magazine(2) | ||
Nail Gauge | 15 | 11 |
Nail Type | 15 Degree | Full Head |

Products in the top-left offer the best value (high score, low price).

Professional reviewers and editors highlight the RIDGID R175RNF as a perfect combination of power, weight, and speed, making it ideal for roof repairs and small jobs.
Everyday users generally praise the easy loading process, dual firing modes, and depth gauge for quick setup on small roofing tasks.




Professional reviewers praise the Metabo HPT NV45AB2 for its power in driving large nails flush, versatility across roofing and siding tasks, and user-friendly mode switching with LED indicators.
Everyday users commonly praise the lightweight design for reducing fatigue during all-day use and appreciate the quick reloads via the side-load magazine.