these are more course than the blue i assume ?

They are designed to removed heavy carbon fouling without damaging the metal. Blue is good for removing light fouling or dirt. I us this brush for cleaning bare meatal parts. Like firing pins and the portions of the BCG. there are different color brushes each with a particular stiffness and material. Brass is softer than steel and will not remove metal or cause scratches.

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Otis Technology Bronze All Purpose Brushes (Select Your Style)

Product ID: 83631806

Details

Brand
Otis
Global Trade Identification Number
Included Components
10 Pack Bronze
Manufacturer
Otis Products
UPC
014895006252

🎯precision cleaning for tight spots

🔄double-ended for dual scrubbing

🧹10 aggressive bronze brushes

COP 131809

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Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧹 Scrub smarter, not harder — clean like a pro with Otis Bronze Brushes!

DUAL ACTION DESIGN - Large surface scrubbing meets pinpoint precision in one tool
HARD TO REACH HERO - Engineered for internal firearm parts where residue hides
MULTIPACK POWERHOUSE - 10 bronze brushes to tackle every stubborn residue
ELITE RESIDUE REMOVAL - Aggressive bronze bristles crush carbon, powder & copper buildup
VERSATILE FIREARM FIT - Perfect for slides, receivers, locking lugs & firing pin areas

Otis Technology’s Bronze All Purpose Brushes come in a 10-pack featuring double-ended aggressive bronze bristles designed specifically for internal firearm cleaning. Ideal for stubborn carbon, powder, and copper residue, these brushes deliver precision and power for slides, receivers, locking lugs, and firing pin areas, ensuring your firearm stays in peak condition.

Specifications

ASIN	B07BRH2BD9
Best Sellers Rank	#33,485 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #21 in Gun Brushes
Brand	Otis
Brand Name	Otis
Customer Reviews	4.8 out of 5 stars 1,011 Reviews
Global Trade Identification Number	00014895006252
Included Components	10 Pack Bronze AP Brush
Item Type Name	Otis 10 Pack Bronze All Purpose Gun Cleaning Brush
Manufacturer	Otis Technology
Manufacturer Part Number	IP-316-BZ-10
Model Number	IP-316-BZ-10
UPC	014895006252
Unit Count	10.0 Count
Warranty Description	Limited Warranty

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COP 131809

Duties & taxes included

In stock

Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Colombia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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