The best replacement for 43 is 34 defense.

The best alternatives to 43 are rated as following:
★★★★★  34 defense
★★  m43
★  34
★  micro 43
★  70
★  archos 5
  37
  grade 70
  m1 garand
  kv-13
  kv 13
  any dvd
  bush 41

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Speaking about 43, one probably shouldn't forget about handbrake.

Other search terms related to 43 and their ratings are:
★★★★★ handbrake
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43
34 defense
m43