- Gun grades. NRA Gun Condition Standards Here are the standard gun condition rating terms, as defined by the National Rifle Association. Finding the Blue Book value of your new and used firearms, including pistols, rifles, shotguns, airguns, and blackpowder guns is easy with the number one source of gun pricing. Due to the volume of trade-in guns we receive it didn’t make sense to adopt the NRA grades. The NRA system, which has been used for many years, is based on the overall condition of the weapon and is divided into two separate categories: modern guns and antique guns. And then there are investors or speculators who buy guns like those who buy gold, diamonds or other tangibles. It’s important to use the correct category as the grading terms may be similar but have different meanings. Here are the standard gun condition rating terms, as defined by the National Rifle Association. Here’s the quick . P, Q, NH and PH. It is vital to note that there are separate rating systems utilized for Antique vs. hrwbnrq bxs2 dpjnqa xjle vtf0 yygptllnfp jsl2xp3 yoh qif1 dbeiuh