About: 7 mm STW

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About: 7 mm STW Sponge Permalink

An Entity of Type : dbkwik:resource/IRCSUQkPFNSQ19SarJ-CSw==, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

Attributes	Values
rdf:type	Firearm Cartridge
rdfs:label	7 mm STW
rdfs:comment	\|- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" \| 7 mm STW \|- \|- ! style="padding-right: 1em;" \| Type \| colspan="2" \| Rifle \|- ! style="padding-right: 1em;" \| Place of origin \| colspan="2" \| USA \|- \|- \|- \|- \|- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" \| Production history \|- ! style="padding-right: 1em;" \| Designer \| colspan="2" \| Layne Simpson \|- ! style="padding-right: 1em;" \| Designed \| colspan="2" \| 1979 \|- \|- ! style="padding-right: 1em;" \| Produced \| colspan="2" \| 1989-Present \|- \|- \| Specifications
Length	3(xsd:double)
btype	X BT Partition PSPCL
dcterms:subject	General Subjects Firearms Wikipedia Imports Weapons Ammunition
dbkwik:publicsafet...iPageUsesTemplate	dbkwik:resource/r_lrFUblmd-SjrwaEZU_sw== dbkwik:resource/9DhuTsitRia7PSknVb7reQ==
BW	120(xsd:integer) 140(xsd:integer) 150(xsd:integer) 160(xsd:integer) 175(xsd:integer)
balsrc	Accurate Powder
Origin	USA
primer	Large rifle magnum
En	3052(xsd:integer) 3321(xsd:integer) 3482(xsd:integer) 3587(xsd:integer) 3609(xsd:integer)
Name	7(xsd:integer)
Type	Rifle
vel	3047(xsd:integer) 3177(xsd:integer) 3233(xsd:integer) 3268(xsd:integer) 3384(xsd:integer)
case length	2(xsd:double)
test barrel length	26"
Base	0(xsd:double)
neck	0(xsd:double)
case type	Belted, bottleneck
Parent	8(xsd:integer)
rim dia	0(xsd:double)
rim thick	0(xsd:double)
rifling	9(xsd:integer)
Bullet	0(xsd:double)
production date	1989(xsd:integer)
shoulder	0(xsd:double)
design date	1979(xsd:integer)
Designer	Layne Simpson
abstract	\|- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" \| 7 mm STW \|- \|- ! style="padding-right: 1em;" \| Type \| colspan="2" \| Rifle \|- ! style="padding-right: 1em;" \| Place of origin \| colspan="2" \| USA \|- \|- \|- \|- \|- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" \| Production history \|- ! style="padding-right: 1em;" \| Designer \| colspan="2" \| Layne Simpson \|- ! style="padding-right: 1em;" \| Designed \| colspan="2" \| 1979 \|- \|- ! style="padding-right: 1em;" \| Produced \| colspan="2" \| 1989-Present \|- \|- \|- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" \| Specifications \|- ! style="padding-right: 1em;" \| Parent case \| colspan="2" \| 8 mm Remington Magnum \|- ! style="padding-right: 1em;" \| Case type \| colspan="2" \| Belted, bottleneck \|- ! style="padding-right: 1em;" \| Bullet diameter \| colspan="2" \| in (mm ) \|- ! style="padding-right: 1em;" \| Neck diameter \| colspan="2" \| in (mm ) \|- ! style="padding-right: 1em;" \| Shoulder diameter \| colspan="2" \| in (mm ) \|- ! style="padding-right: 1em;" \| Base diameter \| colspan="2" \| in (mm ) \|- ! style="padding-right: 1em;" \| Rim diameter \| colspan="2" \| in (mm ) \|- ! style="padding-right: 1em;" \| Rim thickness \| colspan="2" \| in (mm ) \|- ! style="padding-right: 1em;" \| Case length \| colspan="2" \| in (mm ) \|- ! style="padding-right: 1em;" \| Overall length \| colspan="2" \| in (mm ) \|- \|- ! style="padding-right: 1em;" \| Rifling twist \| colspan="2" \| 9 \|- ! style="padding-right: 1em;" \| Primer type \| colspan="2" \| Large rifle magnum \|- \|- \|- \|- \|- \|- \|- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" \| Ballistic performance \|- style="text-align: center; font-size: 90%; background: #DEDEDE;" cellspacing="0" cellpadding="0" ! Bullet weight/type ! Velocity ! Energy \|- style="text-align: center; font-size: 90%;" \| style="vertical-align:middle; border-bottom: 1px dotted #aaa; " \| gr (g) X\|\|style="border-bottom: 1px dotted #aaa; "\| ft/s (m/s) \|\|style="border-bottom: 1px dotted #aaa; "\| ft·lbf (J) \|- style="text-align: center; font-size: 90%;" \| style="vertical-align:middle; border-bottom: 1px dotted #aaa; " \| gr (g) X\|\|style="border-bottom: 1px dotted #aaa; "\| ft/s (m/s) \|\|style="border-bottom: 1px dotted #aaa; "\| ft·lbf (J) \|- style="text-align: center; font-size: 90%;" \| style="vertical-align:middle; border-bottom: 1px dotted #aaa; " \| gr (g) BT\|\|style="border-bottom: 1px dotted #aaa; "\| ft/s (m/s) \|\|style="border-bottom: 1px dotted #aaa; "\| ft·lbf (J) \|- style="text-align: center; font-size: 90%;" \| style="vertical-align:middle; border-bottom: 1px dotted #aaa; " \| gr (g) Partition\|\|style="border-bottom: 1px dotted #aaa; "\| ft/s (m/s) \|\|style="border-bottom: 1px dotted #aaa; "\| ft·lbf (J) \|- style="text-align: center; font-size: 90%;" \| style="vertical-align:middle; border-bottom: 1px dotted #aaa; " \| gr (g) PSPCL\|\|style="border-bottom: 1px dotted #aaa; "\| ft/s (m/s) \|\|style="border-bottom: 1px dotted #aaa; "\| ft·lbf (J) \|- \| colspan="3" style="text-align: center; padding-top: 5px; font-size: 90%;" \| Test barrel length: 26"Source: Accurate Powder \|} The 7 mm STW (Shooting Times Westerner) began as a wildcat rifle cartridge developed by Layne Simpson in 1979. It is an 8 mm Remington Magnum case that has been "necked down" (narrowing the case opening) by 1 mm to accept 7 mm (.284 in) bullets. This cartridge is named after the magazine Shooting Times where Layne Simpson is a regular contributor.

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