Other than the fact than the aguila is crap, rapidly increasing in price, inaccurate and gummed up my revolver terribly last time i shot it, it is plenty safe to use. If you can get your hands on fiocchi .32 S&W (not the proper nagant ammo by fiocchi, just their .32S&W) it shoots extremely accurate and comparatively clean in nagants. Last gun show i was at wanted $15 for a box of aguila and $20 for hotshot, and i would have rather spent the extra money to avoid cleaning.