The final pieces of the BAD556-LW lower receiver are installed to complete the lower assembly. Here we use the Battle Arms mid-length (non QD) Sabertube receiver extension with BAD-LBS combo, buffer retainer and spring, carbine buffer assembly, and carbine action recoil spring.
SABERTUBE (MID LENGTH) / BAD-LBS LIGHTWEIGHT STOCK COMBO:
Carbine buffer:
Carbine recoil spring:
Buffer retainer:
Buffer retainer spring:
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