.223 Rem / 5.56×45 mm NATO
  1. Parts are MIL-SPEC where specified (green).
  2. Parts are POF-USA where specified (red).
  3. .223 and .308 components only differ in Ambi
Bolt Release pin length (shown). POF bolt release xray 223 POF bolt release 223
.308 Win / 7.62×51 mm NATO
  1. Parts are MIL-SPEC where specified (green).
  2. Parts are POF-USA where specified (red).
  3. .223 and .308 components only differ in Ambi
Bolt Release pin length (shown). POF bolt release xray 223 POF bolt release 223
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