後膛裝彈式槍械上的機械裝置，有手動圓筒栓與外部槓桿，射擊者將槍機向後拉打開後膛，退出射擊後留下的空彈匣，再將槍機往前推以便將新彈匣推入射擊位置後關閉後膛。

栓式槍機(P,,U,繁體中文-偏好,D,,)
shuan shih ch'iang chi(P,,U,韋氏拼音-偏好,UF,U,U)
shuān shì qiāng jī(P,,U,漢語拼音-偏好,UF,U,U)
shuan shi qiang ji(P,,U,漢語拼音(無聲調)-偏好,UF,U,U)
bolt actions(P,,U,英文-偏好,D,U,PN)
bolt action(,U,英文-非偏好,AD,U,SN)
actions, bolt(,U,英文-非偏好,UF,U,N)
grendelsystemen(P,,U,荷蘭語-偏好,D,U,U)
grendelsysteem(,U,荷蘭語-非偏好,AD,U,U)
grendelsluitstukken(,U,荷蘭語-非偏好,UF,U,U)
cerrojos de acción(P,,U,西班牙語-偏好,D,U,PN)
cerrojo de acción(,U,西班牙語-非偏好,AD,U,SN)

藝術與建築詞典根目錄
....物件層面
........組件 (層級名)
............成分
................<依特定背景區分之組件>
....................<武器組件>
........................<拋擲武器組件>
............................<槍械組件>
................................<後膛機械裝置與後膛機械裝置組件>
....................................<後膛機械裝置>
........................................栓式槍機

thing(s) needing context are....

槍栓

英文....	Mechanisms on breechloading firearms featuring a manually operated cylindrical bolt with an external lever which the shooter pulls back to open the breech and extract the empty case of a fired cartridge and pushes forward to push a fresh cartridge into firing position and close the breech.
荷蘭語....	Achterlaadsystemen met een grendel die de schutter naar achteren trekt om het wapente openen en weer naar voren duwt om te herladen en het wapen te sluiten.

栓式槍機............	[AS-Academia Sinica]
.................	槍械專用詞庫  June 4, 2012
bolt actions............	[VP]
.................	Petzal, Encyclopedia of Sporting Firearms (1991)
.................	Peterson, Encyclopedia of Firearms (1964)
.................	Quick, Weapons and Military Terms (1973)
.................	Personal Communication Don LaRocca, Curator, Metropolitan Museum of Art, consultancy, 6/92
bolt action............	[VP]
.................	Getty Vocabulary Program rules
actions, bolt............	[VP]
.................	Getty Vocabulary Program rules
grendelsystemen............	[Bureau AAT]
.................	AAT-Ned (1994-)
grendelsysteem............	[Bureau AAT]
.................	AAT-Ned (1994-)
grendelsluitstukken............	[Bureau AAT]
.................	AAT-Ned (1994-)
cerrojos de acción............	[CDBP-DIBAM]
.................	Comité, Plural del término en singular
cerrojo de acción............	[CDBP-DIBAM]
.................	TAA database (2000-)
Subject:............	[Bureau AAT]
.................	CDMARC Subjects: LCSH (1988-) precoord.; rifles, bolt action
.................	Blair, Pollard's History of Firearms (1983) IND; breech loaders, bolt action
.................	Puype, Legermuseum Delft

Getty AAT: 300224972 Getty AAT: http://www.getty.edu/vow/AATFullDisplay?find=costume&logic=AND¬e=&subjectid=300224972
聯合目錄： 栓式槍機 、shuan shih ch'iang chi 、shuān shì qiāng jī 、shuan shi qiang ji 、bolt actions 、bolt action 、actions, bolt 、grendelsystemen 、grendelsysteem 、grendelsluitstukken 、cerrojos de acción 、cerrojo de acción