Remington Golden Saber JHP's are brass plated and some of the best defensive rounds available. The barrel steel is much harder than brass or copper. You'll be fine.
The foreign bi-metal jacketed bullets definitely do wear out the barrel much faster... but even that's negligible. The money saved on buying cheap bi-metal jacketed rounds can pay for 10 replacement barrels by the time you'll need to replace one.
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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
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