RPK modernization: PT-5RPK folding butt stock
26:22
Modern RPK: top setup
25:06
PT-1 and PT-1S stocks: adjustments, adapters, how to install
24:30
Saiga 5.45 modernization
20:43
"Vityaz SN" submachine gun modernization
13:49
RPK and Vepr stocks review: differences, adjustments, how to install
13:18
PT-3 and PT-3S stocks: adjustments, adapters, how to install
12:41
AKM stocks: PT-5 (folding) vs. PT-1 with fixed adapter
16:39