Sig Sauer SIGM400 SDI X Rifle 5.56mm 30rd Magazine(1) 16′ Threaded Barrel M-LOK Handguard FDE Finish
$1,599.99Sig Sauer SIGM400 SDI X Rifle 5.56mm 30rd Magazine(1) 16′ Threaded Barrel M-LOK Handguard FDE Finish
RM400-SDI-16B-FDE
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