Will the Breakthrough BTAR15CS work with my larger AR-10 or .308 calibre bolt carrier groups?

No, the BTAR15CS is specifically precision-profiled for mil-spec .223 Remington and 5.56x45mm NATO AR-15 platform bolt carrier groups. It is not compatible with larger AR-10 or .308 Win BCGs due to incompatible calibre and platform threshold sizing.

How do I protect the scraping blades when carrying the tool in my range bag?

The tool features convenient protective dual end-caps that securely cover the double-ended scraping blades during storage and transport. This prevents the blades from getting dulled or snagging on other items in your gear or cleaning kit.

What cleaning accessories pair well with this carbon scraper for a complete AR-15 maintenance kit?

To achieve a thorough clean after high-round-count sessions, you can pair the BTAR15CS with the Breakthrough Nylon Bolt Carrier Brush (BT223NBCBAR) for scrubbing loose debris, and the Breakthrough Aerosol Foaming Bore Cleaner (BTBTACPF6OZ) to dissolve remaining fouling.

AR15 Carbon Scraper - Breakthrough BTAR15CS

The Breakthrough Clean Technologies AR-15 Carbon Scraper (BTAR15CS) is a dedicated hand maintenance tool engineered to mechanically remove baked-on carbon fouling from .223 Remington and 5.56×45mm NATO AR-15 bolt carrier groups (BCG). Designed with precision-contoured scraping edges on both ends, it matches the specific surface geometries of the bolt tail, bolt carrier interior, and firing pin. Measuring approximately 5.35 in × 0.81 in × 0.34 in (136 mm × 20.6 mm × 8.6 mm) and weighing 0.10 lb (~45 g), this manual tool provides a compact, portable cleaning solution for the range bag or workshop bench.

Key Features

Precision-Moulded Scraper Profiles: Features double-ended scraping blades contoured specifically to fit the curved and flat surfaces of standard mil-spec AR-15 bolt carrier groups.
Central Ergonomic Grip: Includes a contoured green centre handle that delivers leverage and control while scraping stubborn carbon deposits.
Protective Dual End-Caps: Equipped with removable protective end-caps to enclose the metal scraper edges during transport, preventing damage to range bags and gear.
Manual Operation: Operates entirely by hand with zero power or battery requirements, providing reliable field maintenance capability anywhere.

Product Specifications

Product Type: AR-15 carbon scraper tool
Model / SKU: BTAR15CS
Platform / Calibre Compatibility: .223 Remington / 5.56×45mm NATO AR-15 pattern bolt carrier groups
Tool Dimensions: 5.35 in (H) × 0.81 in (L) × 0.34 in (W) / approx. 136 mm × 20.6 mm × 8.6 mm
Tool Weight: 0.10 lb / ~45 g
Body Colour: Green
Power Requirements: None (manual hand tool)

Who is the Breakthrough AR-15 Carbon Scraper for?

AR-15 platform armourers and gunsmiths — relies on form-fitted scraper contours designed for .223 Remington / 5.56×45mm NATO bolt carrier groups to speed up benchtop carbon removal from bolt tails and firing pins.
Tactical rifle owners maintaining AR-pattern platforms — requires a dedicated AR-15 carbon scraper tool matching the exact mil-spec .223 Remington BCG dimensions in straight-pull or pump-action firearms.
High-round-count range shooters — benefits from a compact 0.10 lb (~45 g) tool measuring 5.35 in (136 mm) in length that fits directly into field cleaning kits for post-firing maintenance.

Less suitable for: Firearm platforms chambered in .308 Winchester or larger AR-10 patterns, where differing bolt geometries exceed the mil-spec .223 Remington / 5.56×45mm NATO scraper profile; users requiring maintenance on larger calibres should select a dedicated .308/AR-10 carbon scraper or multi-calibre brass scraping picks.

SKU	BKT39549LP
Model #	BTAR15CS
Brand	Breakthrough
Shipping Weight	1.0000kg

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Breakthrough Btar15cs Carbon Scraper Ar15 Bcg Maintenance Tool

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