would this oil be overkill for a high powered air rifle?

Absolutely it would be overkill for an air rifle. This is a caustic solvent that is meant to dissolve gun powder residue. It's not oil. First you clean a firearm with solvent and then you apply the oil.

Stupid question, is this made specifically for bore cleaning only? Can i use it on all parts with carbon/lead deposits?

Hopper's is specifically for cleaning guns - - not just the bore. It will clean ALL of the metal or polymer parts. Not for wood.. Not a lubricant.

Does Hoops solvent break down over time? I have a 60+ year old bottle of Hoops 9.

Only 60? I finally used up some my grandfather's Hoppe's No 9 this spring. And I'm 66. It was like new.

Would this work in an ultrasonic cleaner?

yes works fine; our pistol team used to clean the .22s by immersion in Hoppes and ultra sonic once a year (shot maybe 200 rnds per week). No other cleaning or lube. Shot them "dry" (when dripping shoot a few rounds starting with a rag over the back of the slide so that you don't "clean your face" by accident :)

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Hoppe's No. 9 Gun Bore Cleaner

Product ID: 197714964

🎯Ultra effectiveness

🔧High-viscosity oil

🛡️Safe & easy to use

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HK$424

Duties & taxes included

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Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔫 Keep Your Gear Pristine with Hoppe's No. 9!

GENEROUS SIZE - 32 oz bottle provides ample supply for all your cleaning needs.
REFINED TO PERFECTION - High-viscosity oil ensures thorough cleaning and lubrication.
USER FRIENDLY FORMULA - Designed for effortless application and maximum safety.
VERSATILE APPLICATION - Perfect for firearms, fishing reels, and precision mechanisms.
PRECISION CLEANING POWER - Experience the ultimate in firearm maintenance with Hoppe's No. 9.

Hoppe's No. 9 Gun Bore Cleaner is a high-viscosity oil specifically refined for optimal cleaning and lubrication of firearms, fishing reels, and other precision mechanisms. This 32 oz bottle offers ultra effectiveness while ensuring safety and ease of use.

Specifications

ASIN	B07RW5XMKL
Brand Name	Hoppe's
Customer Reviews	4.8 4.8 out of 5 stars (276)
Date First Available	May 14, 2019
Manufacturer	Hoppe's
Style	w/ Lubricating Oil 32 oz

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