CREATE TABLE table_5324 ("Bullet weight gram  ( grain ) " CLOB, "8.23 g  ( 127 gr ) " FLOAT, "9.72 g  ( 150 gr ) " FLOAT, "11.34 g  ( 175 gr ) " FLOAT, "12.96 g  ( 200 gr ) " FLOAT, "14.26 g  ( 220 gr ) " FLOAT, "Case capacity  ( % ) " FLOAT)

Which 8.23 g (127 gr) has a Bullet weight gram (grain) of 8x64mm s, and a 12.96 g (200 gr) smaller than 102.9?
SELECT AVG("8.23 g (127 gr)") FROM table_5324 WHERE "Bullet weight gram (grain)" = '8x64mm s' AND "12.96 g (200 gr)" < '102.9'
SELECT AVG("8.23 g (127 gr)") FROM "table_5324" WHERE "12.96 g (200 gr)" < '102.9' AND "Bullet weight gram (grain)" = '8x64mm s'