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The flagship of Rock Creek Barrels' product line is the single
point cut rifled barrel. These barrels are manufactured on twin
spindle hydraulic Pratt & Whitney rifling machines and are
available in 5R or 7R rifling profiles. All barrels are hand lapped
to superb interior finishes. By the very nature of the way we
modified these Pratt and Whitney machines, twist rates from 1:5 to
1:35+ are available.
Available
Calibers
 |
.224 (5
groove) |
|
.243
(5 groove) |
|
.264
(5 groove) |
|
.277
(5 groove) |
|
.284
(5 groove) |
|
.308
(5 groove) |
|
.338
(5 groove) |
|
.458 (7 groove)
|
|
.510 (7 groove)
|
Sporter
Contours
|
A |
B |
C |
D |
E |
F |
G |
| #1 |
1.20" |
0.700" |
0.560" |
2.5" |
6" |
20" |
22" |
| #2 |
1.20" |
0.765" |
0.575" |
2.5" |
6" |
24" |
26" |
| #3 |
1.20" |
0.815" |
0.625" |
2.5" |
6" |
24" |
26" |
| #4 |
1.20" |
0.860" |
0.650" |
3.0" |
6" |
26" |
27" |
| #5 |
1.20" |
0.910" |
0.700" |
3.0" |
6" |
26" |
27" |
| #6 |
1.20" |
0.960" |
0.750" |
3.0" |
6" |
26" |
27" |
Target
Contours
|
A |
B |
C |
D |
E |
F |
G |
| #1 HBR |
1.25" |
- |
0.750" |
4" |
- |
26" |
27" |
| #2 LV |
1.20" |
- |
0.870" |
4" |
- |
26" |
27" |
| #3 LV |
1.225" |
- |
0.875" |
4" |
- |
26" |
27" |
| #4 LV |
1.25" |
- |
0.840" |
4" |
- |
26" |
27" |
| #5 LV |
1.25" |
- |
0.875" |
4" |
- |
26" |
27" |
| #6 HV |
1.25" |
- |
0.940" |
5" |
- |
26" |
27" |
| #7 Max HV |
1.25" |
- |
0.940" |
6" |
- |
26" |
27" |
| #8 1000yd |
1.25" |
- |
0.940" |
6" |
- |
30" |
31" |
| #9 Straight |
1.20" |
- |
- |
- |
- |
26" |
27" |
| #10 Straight |
1.25" |
- |
- |
- |
- |
26" |
27" |
| #11
Straight |
1.45" |
- |
- |
- |
- |
26" |
27" |
Tactical
Contours
|
A |
B |
C |
D |
E |
F |
G |
| Rem Vmt |
1.25" |
0.940" |
0.830" |
3" |
7" |
26" |
27" |
| Sendero |
1.25" |
0.875" |
0.875" |
3" |
7" |
26" |
27" |
| M24/M40 |
1.20" |
0.900" |
0.900" |
4" |
- |
26" |
27" |
| AMU/MTU |
1.25" |
0.900" |
0.900" |
5" |
- |
29" |
30" |
| Navy |
1.70" |
1.125" |
1.125" |
4" |
6" |
28" |
29" |
Palma
Contours
|
A |
B |
C |
D |
E |
F |
G |
| Light Palma |
1.25" |
0.900" |
0.750" |
3" |
5" |
30" |
31" |
| Med Palma |
1.25" |
0.900" |
0.820" |
3" |
5" |
30" |
31" |
| Heavy
Palma |
1.25" |
1.000" |
0.900" |
3" |
5" |
30" |
31" |
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