The Crosman 140 Air Rifle was made from 1954 to 1968 in four different variations. Crosman no longer makes parts for the rifle but you can still get it repaired. The Crosman home page offers a "Find a repair center" button on their first page. From there you can locate a center that has parts for your rifle. See the related link.
Go to ( See the link below ) and find your parts and owners manual for your gun or rifle. Crosman keeps a web page for older airguns.
THIS IS A CROSMAN. It is a Crosman model 140 or 1400
Crosman no longer has parts for this rifle. However there are independent shops that repair older Crosman air guns. Crosman offers a free service to locate these shops. see the link below.
You follow the link below to the Crosman website Customer Service section, download the manual for the 140, and read it.
Sears Model 126.19300 is a Crosman model 140/1400. Crosman no longer repairs this model. Go to http://www.crosman.com/airguns/service/repair and put in your model number and it will help you find a repair shop near you.
the Crosman 140's were made in four different variations starting in 1954 and ending in 1968. The 140 became the later version called the 1400 made between 1968-78
This model was made for Sears using the JC Higgins brand name. It was made by Crosman and is really a Crosman model 140 or 1400. Crosman offers a service to locate repair centers that repair older Crosman air guns. See the links below.
see the following link for the owners manual.http://www.crosman.com/pdf/manuals/crosman/140/C140-OM.pdfsee the following link for the owners manual.http://www.crosman.com/pdf/manuals/crosman/140/C140-OM.pdf
This air gun was made by Crosman for Sears under the JC Higgins brand name. In reality it is a Crosman model 140. Crosman offers a free service to locate shops that repair older Crosman, Benjamin and Sheridan air guns. See the link below, or you can search the web for "Airgun Repair" and find a shop near you to repair it. As a last resort see the #2 link below for various shops.
1954 to 1968
See the following for the parts manual. https://support.crosman.com/hc/en-us/articles/203543150-140-Owner-s-Manual-EVP-1954-1968- then do a search on the web for "air gun repair" and locate a shop near you to have it repaired or see http://www.airgunarena.com/index.php/Repairs/Parts
I have absolutely no information on a Crosman model 143. Are you sure it isn't a model 140 or model 147. I even searched the net and can not find anything on a model 143.