5 mm/35 SMc
| 5 mm/35 SMc | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 5 mm/35 SMc cartridges | ||||||||||||
| Type | Rifle | |||||||||||
| Place of origin | USA | |||||||||||
| Production history | ||||||||||||
| Designer | Michael McPherson and Byrom Smalley | |||||||||||
| Designed | 2004 | |||||||||||
| Specifications | ||||||||||||
| Parent case | 6mm BR | |||||||||||
| Case type | Rimless, bottleneck | |||||||||||
| Bullet diameter | .2039 in (5.18 mm)[1] | |||||||||||
| Land diameter | .1988 in (5.05 mm)[1] | |||||||||||
| Neck diameter | .2343 in (5.95 mm)[1] | |||||||||||
| Shoulder diameter | .4598 in (11.68 mm) | |||||||||||
| Base diameter | .4709 in (11.96 mm) | |||||||||||
| Rim diameter | .4728 in (12.01 mm) | |||||||||||
| Rim thickness | .0157 in (0.40 mm) | |||||||||||
| Case length | 1.556 in (39.5 mm) | |||||||||||
| Overall length | 2.03 in (52 mm) | |||||||||||
| Rifling twist | 1-12 | |||||||||||
| Primer type | small rifle | |||||||||||
| Ballistic performance | ||||||||||||
| ||||||||||||
| Source: Superior Ballistics | ||||||||||||
5 mm/35 SMc (5mm-35) / 5×39mm SMc is a high performance 5 mm (.20 inch) intermediate cartridge. Designed by Michael McPherson and Byrom Smalley[2] and like all of their other designs carries the "SMc" designation as well as being patented.[3]
Description
SMc cartridges were developed in an attempt to produce an efficient cartridge combining low recoil, low heat, and high velocity.[4] The 5 mm/35 SMc has produced velocities in excess of 4,800 ft/s (1,500 m/s) shooting a 30-grain (1.9 g) molybdenum disulfide-coated Berger bullet from a 28-inch (71 cm) Pac-Nor barrel, far higher than its commercial counterpart the .204 Ruger.
Although it is a wildcat cartridge, rifles chambered for 5mm/35 are available from the custom shop at Savage Arms.[5]
The patents for the cartridge are US 7210260, US 7086336 and US 2003079639.
See also
References
- ^ a b c "C.I.P. TDCC sheet 5 mm /35 SMc" (PDF). Archived (PDF) from the original on 2018-10-08. Retrieved 2022-02-07.
- ^ Biographies Archived 2011-07-23 at the Wayback Machine. SBI. Accessed March 3, 2007.
- ^ Johnson, Norman E (July 2006). "The 5mm/35 SMc Cartridge in a Custom Savage Model 12". Varmint Hunter. Retrieved 3 October 2010.
- ^ Mission Statement Archived 2020-09-15 at the Wayback Machine at Superior Ballistics Inc.
- ^ Madelon, Kimberly. "Varminter in 5/35 SMC". Rifle Shooter. Archived from the original on 16 May 2008. Retrieved 3 October 2010.
- Superior Ballistics
- McPherson, M.L. (October 2002). "More Dope on the SMC Cartridge Line". Varmint Hunter (44): 78–79.
- McPherson, M.L. (April 2008). "Progress of the 5mm/35 SMc". Precision Shooting Magazine. Archived from the original on 2011-07-15. Retrieved 2010-10-03.
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