6540
Wow ! That turned out better than expected . PTR51P which is stamped PTR91 is basically an HK51 clone . I ’m putting a couple together for the store that will be featuring the SBA3 brace from sbtactical , {{USERNAME}} … {{URL}}
 PTR51P, PTR91, HK51, SBA3 brace, sbtactical
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: group, creative work, person, event, product, location, corporation 
Text: {0} 
Answer:
 PTR51P, PTR91, HK51, SBA3 brace, sbtactical