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0:50

HK21 BELT LOADING WITHOUT STARTER TAB. RDTSMFG HK21EUG #HK21 #rdtsmfg #ralphsr

rdtsvideos

28K views

1:26

MP5 SD vs MP5/40 SD. Ralph Smith Sr. designed and built the worlds first MP5/40 SD in 2008 #rdtsmfg

rdtsvideos

701 views

3:14

HK REGISTERED SEAR TIMING ISSUES

rdtsvideos

1K views

3:20

RDTSMFG MP5/40 SD & MP5 SD Sound Suppression Comparison

rdtsvideos

1.1K views

0:19

RDTSMFG MP5/40 SD TESTFIRE (REM 180 GR GREEN BOX) #mp5_40sd #mp5_40 #mp5_10mm

rdtsvideos

4.9K views

1:10

RDTSMFG HK MP5/10MM AT 1000 FPS

rdtsvideos

1K views

0:57

RDTSMFG HK51K

rdtsvideos

1.5K views

2:18

RDTS MP5SD Upgrade on HK Pushpin Registered Receiver Suppression Comparison.

rdtsvideos

18K views

0:53

RDTS MP5SD built on MKE 94P (SBR) test fire before ship session.

rdtsvideos

20K views

38:04

Parties, breakdowns and freedom | Ultrace 2025 Warm-Up

RD48

24K views

6:46

November 29, 2023

rdtsvideos

494 views

1:01

HK MP5K Post Sample Machine gun filmed with High Speed Camera by RDTS MFG.

rdtsvideos

20K views

5:47

HK11A1/HK21A1 DEMILL COMPATIBLE WITH HK21E/23E FEED MECHS & CARRIERS

rdtsvideos

7.7K views

1:46

RDTS MFG TESTING MP5K MACHINE GUN #mp5k #rdtsmfg #ralphsr

rdtsvideos

473 views

1:25

RDTSMFG HK 51K! #hk51k #RalphSr #MP5

rdtsvideos

531 views

1:20

Test Firing RDTS MP5SD Pistol in SP1000 Dark Earth Moly built on MKE Arms 94P Pistol

rdtsvideos

4.7K views