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Finnish Sound Suppressor Trials 1999 Measuring Data


Source: Suppressor Trials May 28, 1999. Measured by Dr. Rauno Pääkkönen.

Shot Nr. Gun measured at Lapua 28.5.1999 Barrel length Suppressor manufacturer & model Ammo: Subsonic / Hi Velocity Velocity Meter nr. 1:   shooter Meter nr. 2: 1 m side Meter nr. 3: 10 m side Attenuations: shooter / 1 m side / 10 m side First shot add
(mm) (m/s) (dB) (dB) (dB) (dB) (dB)

1

Sako P94S

560

- .22 SS

294

132

137

114

- -

2

Sako P94S

560

Sako .22 SS

300

109

110

91

23 / 27 /23

1

3

Sako P94S

560

- .22 HV

389

132

140

118

- -

4

Sako P94S

560

Sako .22 HV

390

124

123

108

8 / 17 / 10

0

5

Ruger 10/22 LEI fixed .22 SS

271

122

126

103

10 / 11 / 15

1

6

Ruger 10/22 LEI fixed .22 HV

354

126

128

107

6 / 12 / 7

0

7

Ruger 77/22 LEI fixed .22 SS

282

122

126

102

10 / 11 / 16

1

8

Ruger 77/22 LEI fixed .22 HV

369

125

131

110

7 / 9 / 4

3

9

Toz 16 Eräkulma fixed .22 SS

288

116

114

91

16 / 23 / 27

-5

10

Toz 16 Eräkulma fixed .22 HV

370

126

125

107

6 / 15 / 11

-1

11

Ruger Mk II Eräkulma fixed .22 SS

219

115

112

92

17 / 25 / 22

-2

12

Ruger Mk II Eräkulma fixed .22 HV

290

118

117

95

14 / 37 / 23

5

13

Thompson Center - .22 SS

301

142

146

125

- -

14

Thompson Center Eräkulma .22 SS

306

113

116

95

29 / 30 / 30

1

15

Thompson Center - .22 HV

379

145

150

128

- -

16

Thompson Center Eräkulma .22 HV

379

125

125

108

20 / 25 / 20

0

17

Ruger Mk II

140

- .22 SS

252

144

153

131

- -

18

Ruger Mk II

140

Pirkan Ase .22 SS

256

127

132

112

17 / 21 / 19

7

19

Ruger Mk II

140

- .22 HV

289

146

154

132

- -

20

Ruger Mk II

140

Pirkan Ase .22 HV

327

128

134

113

18 / 20 / 19

7

21

Parabellum German 7.65 Pb

323

140

139

117

-

-2

22

AK-47

414

- 7.62 HV

701

159

163

141

- -

23

AK-47

414

- 7.62 SS

298

159

158

136

- -

24

AK-47

414

PBS-1 7.62 SS

296

139

138

116

20 / 20 / 20

0

25

AK-47

414

PBS-1 Sako SS

331

137

136

117

-

1

26

Taurus PT99

125

- 9 mm HV

340

155

160

138

- -

27

Taurus PT99

125

Eräkulma 9 mm HV

354

133

139

120

22 / 21 / 18

8

28

Taurus PT99

125

- 9 mm SS

286

154

159

137

- -

29

Taurus PT99

125

Eräkulma 9 mm SS

291

132

136

116

22 / 24 / 21

8

30

Beretta 92

155

- 9 mm HV

346

152

159

137

- -

31

Beretta 92

155

LEI SQ 9 mm HV

342

143

136

116

9 / 23 / 21

5

32

Beretta 92

155

- 9 mm SS

281

152

158

135

- -

33

Beretta 92

155

LEI SQ 9 mm SS

276

139

135

113

13 / 23 /22

6

34

H&K Mk23

149

- .45 CBC

263

155

160

137

- -

35

H&K Mk23

149

B&T Impulse II .45 CBC

276

143

142

123

12 / 18 / 14

2

36

H&K MP5

225

- 9 mm HV

383

154

157

135

- -

37

H&K MP5

225

BR-Tuote R16MP5 9 mm HV

390

134

137

118

20 / 20 / 17

2

38

H&K MP5

225

- 9 mm SS

312

152

155

133

- -

39

H&K MP5

225

BR-Tuote R16MP5 9 mm SS

308

135

137

116

17 / 18 / 17

1

40

H&K MP5

225

LEI MP5 9 mm HV

381

132

131

117

22 / 26 / 18

1

41

H&K MP5

225

LEI MP5 9 mm SS

310

131

125

105

21 / 30 / 28

6

42

H&K MP5SD H&K 9 mm HV

280

133

127

106

21 / 30 / 29

2

43

H&K MP5SD H&K 9 mm SS

230

133

126

104

18 / 29 / 29

1

44

H&K MP5SD LEI 9 mm HV

281

132

127

109

22 / 30 / 26

5

45

H&K MP5SD LEI 9 mm SS

225

130

127

107

22 / 28 / 26

1

46

SAR80

459

- .223 HV

907

156

163

141

- -

47

SAR80

459

LEI Universal .223 HV

906

134

126

109

22 / 37 / 32

1

48

M16A1

508

- .223 HV

874

155

163

141

- -

49

M16A1

508

BR-Tuote T8AR .223 HV

868

131

143

121

24 / 20 / 20

-2

50

Tikka - .308 HV

860

158

167

145

- -

51

Tikka Porras .308 HV

865

142

149

130

16 / 18 / 15

4

52

Tikka - .308 SS

324

149

154

134

- -

53

Tikka Porras .308 SS

316

129

131

112

20 / 23 / 22

8

54

Tikka M595

570

- .308 HV

867

157

165

144

- -

55

Tikka M595

570

BR-Tuote T8 .308 HV

866

135

141

122

22 / 24 / 22

2

56

Tikka M595

570

BR-Tuote T8 .308 SS

323

126

132

112

23 / 22 / 22

1

57

Tikka M595

570

Ase Utra 1 .308 HV

881

134

144

124

23 / 21 / 20

0

58

Sako TRG21

660

Muzzle brake .308 HV

892

167

167

144

- -

59

Sako TRG21

660

Sako .308 HV

897

148

142

122

19 / 25 / 22

5

60

Sako TRG21

660

Sako .308 SS

300

125

131

122

24 / 23 / 12

-3

61

LEI De Lisle Mk4 LEI .308 SS

321

120

124

104

-

6

62

Tikka

570

Ase Utra 2 .308 HV

872

132

143

122

25 / 22 / 22

1

 


Finnish Sound Suppressor Trials 1999 Measuring Data on Internet: http://guns.contact.fi/rs/trial1999.html

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