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Uncle Malice · February 8, 2014, 03:48 PM

I can't say for certain, but I would say it's probably due to materials. In the USP, the slide is actually stainless.... where the normal blackened slide is carbon steel like Glock.

The barrel is still a cold hammer forged carbon steel, so it needs the protective treatment to prevent corrosion. I personally find it looks better to have the contrast though, so I imagine both aesthetics and metallurgy play some kind of part.

February 8, 2014, 03:48 PM	#3
Uncle Malice Senior Member Join Date: May 11, 2009 Location: Phoenix Posts: 4,580	I can't say for certain, but I would say it's probably due to materials. In the USP, the slide is actually stainless.... where the normal blackened slide is carbon steel like Glock. The barrel is still a cold hammer forged carbon steel, so it needs the protective treatment to prevent corrosion. I personally find it looks better to have the contrast though, so I imagine both aesthetics and metallurgy play some kind of part. __________________ Handguns: 2x Glock 19.4 \| Glock 26.4 \| HK USP 9 \| HK P2000 \| HK VP9 SK \| HK P30 \| CZ Shadow 2 \| CZ P-10 C \| CZ P-07 \| CZP-01 \| S&W 360PD Rifles: DDM4 \| SGL 21 \| SAM7K \| Draco \| PSA PDW SBR \| ASA Side-Charger SBR \| CZ Scorpion K SBR \| Aero M4E1 9" 300blk SBR \| Angstadt Jack9 SBR \| Savage Mark II FV-SR Shotguns: Mossberg 590A1 20" SP \| Mossberg Shockwave