 |
| Contour Name |
# |
A |
B |
C |
D |
Max Length |
Estimated Weight |
| Savage Sporter |
SS |
1.062" |
N/A |
N/A |
.585" |
22" |
3 lbs |
| Savage Magnum |
SM |
1.062" |
N/A |
N/A |
.685" |
26" |
3 1/2 lbs |
| Savage Varmint |
SV |
1.062" |
N/A |
N/A |
.800" |
26" |
4 lbs |
| Savage Bull |
SB |
1.062" |
N/A |
N/A |
1.00" |
26" |
6 lbs |
| McGowen Barrel Tapers |
| Ultra Light Sporter |
M1 |
1.180" |
2.25" |
2.50" |
.570" |
22" |
2 1/2 lbs |
| Lightweight Sporter |
M2 |
1.200" |
2.50" |
2.50" |
.600" |
24" |
3 lbs |
| Regular Sporter |
M3 |
1.200" |
2.50" |
2.50" |
.625" |
26" |
3 1/2 lbs |
| Medium Sporter |
M4 |
1.200" |
2.62" |
2.50" |
.650" |
26" |
3.8 lbs |
| Heavy Sporter |
M5 |
1.200" |
2.75" |
2.50" |
.700" |
26" |
4.8 lbs |
| Light Target |
M6 |
1.200" |
3.00" |
N/A |
.750" |
26" |
5 lbs |
| Medium Target |
M7 |
1.200" |
3.12" |
N/A |
.875" |
26" |
6 lbs |
| Heavy Target |
M8 |
1.200" |
3.25" |
N/A |
1.00" |
26" |
7 lbs |
| Douglas Barrel Tapers |
| Douglas #1 |
D1 |
1.200" |
2.25" |
3.00" |
.560" |
22" |
2 1/4 lbs |
| Douglas #2 |
D2 |
1.200" |
2.25" |
2.625" |
.600" |
24" |
2 3/4 lbs |
| Douglas #3 |
D3 |
1.200" |
2.25" |
2.375" |
.625" |
24" |
3 lbs |
| Douglas #4 |
D4 |
1.200" |
2.25" |
2.125" |
.650" |
26" |
3 1/2 lbs |
| Douglas #5 |
D5 |
1.200" |
2.75" |
2.00" |
.700" |
26" |
4 lbs |
| Douglas #5A |
D5A |
1.200" |
2.75" |
2.00" |
.750" |
26" |
|
| Douglas Silhouette |
DS |
1.200" |
2.75" |
2.75" |
.750" |
24" |
4 1/2 lbs |
| Douglas Featherweight |
DF |
1.200" |
1.250" |
N/A |
.560" |
22" |
2 lbs |
| Douglas #6 |
D6 |
1.200" |
4.00" |
N/A |
.750" |
26" |
5 1/2 lbs |
| Douglas #7 |
D7 |
1.200" |
4.00" |
N/A |
.875" |
26" |
6 1/4 lbs |
| Douglas #8 |
D8 |
1.200" |
4.00" |
N/A |
1.00" |
26" |
8.3 lbs |
| Douglas #9 |
D9 |
1.250" |
4.00" |
N/A |
1.125" |
26" |
9 lbs |
| Douglas 7-W |
D7W |
1.060" |
4.00" |
N/A |
.937" |
26" |
5.8 lbs |
| Shilen Barrel Tapers |
| Shilen #1 |
S1 |
1.200" |
2.50" |
N/A |
.550" |
22" |
2 lbs |
| Shilen #2 |
S2 |
1.200" |
2.50" |
N/A |
.575" |
26" |
3 lbs |
| Shilen #3 |
S3 |
1.200" |
2.50" |
N/A |
.625" |
26" |
3 lbs |
| Shilen #4 |
S4 |
1.200" |
3.00" |
N/A |
.650" |
26" |
3 lbs |
| Shilen #5 |
S5 |
1.200" |
3.00" |
N/A |
.700" |
26" |
4 lbs |
| Shilen #5 |
S5.5 |
1.200" |
3.00" |
N/A |
.750" |
26" |
4 lbs |
| Shilen #6 |
S6 |
1.250" |
3.00" |
N/A |
.750" |
26" |
5.8 lbs |
| Shilen #7LV |
S7LV |
1.250" |
3.00" |
N/A |
.840" |
26" |
5.8 lbs |
| Shilen #7 |
S7 |
1.250" |
4.00" |
N/A |
.890" |
26" |
6.8 lbs |
| Shilen #7 |
S7HV |
1.250" |
5.00" |
N/A |
.940" |
26" |
6.8 lbs |
| Shilen #8 |
S8 |
1.250" |
3.00" |
N/A |
1.00" |
26" |
6.8 lbs |
| Pac-Nor Barrel Tapers |
| Pac-Nor LW |
PNL |
1.200" |
2.50" |
N/A |
.550" |
22" |
2 1/2 lbs |
| Pac-Nor #1 |
PN1 |
1.200" |
2.50" |
N/A |
.600" |
24" |
3 lbs |
| Pac-Nor #2 |
PN2 |
1.200" |
2.50" |
N/A |
.600" |
24" |
3 1/2 lbs |
| Pac-Nor #3 |
PN3 |
1.200" |
3.00" |
N/A |
.625" |
26" |
3.3 lbs |
| Pac-Nor #4 |
PN4 |
1.200" |
3.00" |
N/A |
.650" |
26" |
3.8 lbs |
| Pac-Nor #5 |
PN5 |
1.200" |
3.00" |
N/A |
.700" |
26" |
4 lbs |
| Pac-Nor #6 |
PN6 |
1.200" |
3.00" |
N/A |
.750" |
26" |
4.8 lbs |
| Pac-Nor #7 |
PN7 |
1.200" |
4.00" |
N/A |
.875" |
26" |
5.8 lbs |
| Pac-Nor #8 |
PN8 |
1.200" |
4.00" |
N/A |
1.00" |
26" |
6.8 lbs |
| Pac-Nor NBRSA |
PNV |
1.230" |
5.00" |
N/A |
.920" |
26" |
8 lbs |
| Remington Barrel Tapers |
| Remington Sendero |
RS |
1.250" |
2.00" |
N/A |
.830" |
26" |
5 lbs |
| Remington Standard |
RStd |
1.220" |
N/A |
N/A |
.650" |
26" |
2 lbs |
| Remington Magnum |
RM |
1.220" |
N/A |
N/A |
.850" |
26" |
3 lbs |
|

|
Available Twist Rates for Savage Drop-ins
|
| Caliber |
Groove |
Twists |
|
Caliber |
Groove |
Twists |
| 17 |
.172 |
1-8.5", 1-10" |
|
9mm |
.355 |
1-10", 1-20" |
| 19 |
.198 |
1-12" |
|
35 |
.358 |
1-5", 1-6",
1-7", 1-10", 1-12", 1-14" |
| 20 |
.204 |
1-11", 1-12" |
|
9.3 |
.366 |
1-12" |
| 22 RF |
.222 |
1-16", 1-16" L/H |
|
375 |
.376 |
1-10", 1-12", 1-16" |
| 22 CF |
.222 |
1-7", 1-9", 1-10", 1-12", 1-14", 1-16" |
|
395 |
.395 |
1-12" |
| 6mm/243 |
.243 |
1-7", 1-8", 1-9", 1-10" |
|
40P |
.400 |
1-18" |
| 25 |
.257 |
1-10", 1-12" |
|
40 |
.408 |
1-13", 1-20" |
| 6.5 |
.264 |
1-8", 1-8.5", 1-9", 1-10" |
|
41 |
.409 |
1-18" |
| 270 |
.277 |
1-9", 1-10" |
|
40 Mag |
.410 |
1-18 3/4" |
| 7mm |
.284 |
1-9", 1-9.25", 1-10" |
|
416 |
.416 |
1-10", 1-14" |
| 30 |
.308 |
1-8", 1-10", 1-11", 1-12" |
|
425 |
.424 |
1-10", 1-14" |
| 7.62 |
.302 |
1-10" |
|
44 |
.429 |
1-10", 1-18", 1-24" |
| 303 |
.311 |
1-10", 1-16", 1-18" |
|
11.2 |
.440 |
1-16" |
| 32-40 |
.320 |
1-16" |
|
45P |
.451 |
1-16", 1-18", 1-24" |
| 8mm |
.323 |
1-10" |
|
45 |
.458 |
1-10", 1-14", 1-16", 1-18", 1-22" |
| 338 |
.338 |
1-10" |
|
|
|
|
|
|