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 * PS: Preventive Maintenance Monthly, . "Hybrid Buttstock Authorized. ." //PS: Preventive Maintenance Monthly// 703 (2011): 1/2. Web. 13 Aug. 2012. <[|http://ehis.ebscohost.com.proxy045.nclive.org/ehost/detail?vid=3&hid=102&sid=cf54a555-26af-4164-98ff-1169c4be05af%40sessionmgr110&bdata=JnNpdGU9ZWhvc3QtbGl2ZQ%3d%3d#db=mth&AN=62079794]>.


 * 1) Rifles and machine guns all have the trigger pull test as part of their annual gaging.
 * 2) A new buttstock for the M16 series rifle has been designed that improves flexibility in confined spaces or close combat.
 * 3) The new hybrid buttstock is authorized by the CTA 50-970.
 * 4) This new buttstock is more ergonomically friendly.
 * 5) When an M16 is turned in, it must be returned to its original configuration, which means the old buttstock must be put back on.
 * 6) If the M9 is used frequently, then it should be tested every few months, but it must be checked annually.
 * 7) The M9 didn't have to be annually tested until June 11th, 2011.
 * 8) The full name of the CTA is the CTA 50-970.
 * 9) The buttstock should be installed with Wps 0021 and 0025.
 * 10) WP 0025-8 shows the correct toque for the buttstock when attached.
 * 11) The Army has decided the M9 needs the trigger pull test done annually.
 * 12) The trigger pull test was added to the M9's required gaging at direct support.
 * 13) The test procedure is located in WP 0017 00-2.
 * 14) Order the buttstock kit with NSN 1005-01-569-6938.
 * 15)  <span style="font-family: Times New Roman,serif;">Support will install the buttstock following the instructions in WPs 0021 and 0025 in TM 9-1005-319-23&P.