Marlin 39A:

Mount fits both left and right hand firearms.

Base screws are 8-40 X 1/4" long. Ring screws are 6-40 X 5/8" long. Base screws use a 9/64" Allen wrench and ring screws use a 7/64" Allen wrench.

Outside to outside of rings is 4.50". Standard rings are .63" wide and have 2 screws per ring. 2 Hole to hole spacing dimension is 1.99". Height of mount from top of receiver to centerline of scope tube is - high 1.19".

Marlin 1894, 1895, 336, XLR: Will also fit Henry Rifles that are completely flat on top of receiver and are drilled and tapped.

Mount fits both left and right hand firearms.

Base screws are 8-40 X 1/4" long. Ring screws are 6-40 X 5/8" long. Base screws use a 9/64" Allen wrench and ring screws use a 7/64" Allen wrench.

Outside to outside of rings is 4.08". Standard rings are .63" wide and have 2 screws per ring. 6 Hole to hole spacing dimensions are .50", 1.88", .50", .37", .50". Mount has 6 holes thru it so it can be used on the long and short receiver. 2 holes will not be used. Depends on the gun to what 4 will be used.  Height of mount from top of receiver to centerline of scope tube is - medium 1.06", high 1.19".

Marlin 917, XT:

Mount fits both left and right hand firearms.

Base screws are 6-48 X 1/4" long. Ring screws are 6-40 X 5/8" long. Both screws use a 7/64" Allen wrench.

Outside to outside of rings is 4.05". Standard rings are .63" wide and have 2 screws per ring. 4 Hole to hole spacing dimensions are .50", 2.74", .50". Height of mount from top of receiver to centerline of scope tube is - low .94", medium 1.06", high 1.19".

Marlin X7, X7L, X7S:

Mounts fits right hand firearms.

Base screws are 6-48 X 1/4" long. Ring screws are 6-40 X 5/8" long. Both screws use a 7/64" Allen wrench.

Short action - Outside to outside of rings is 3.92". Standard rings are .63" wide and have 2 screws per ring. 4 Hole to hole spacing dimensions are .86", 3.27", .86". Height of mount from top of receiver to centerline of scope tube is - low .92", medium 1.05", high 1.17". Same as Winchester 70 short action.

Long action -  Outside to outside of rings is 4.46". Standard rings are .63" wide and have 2 screws per ring. 4 Hole to hole spacing dimensions are .86", 3.81", .86". Height of mount from top of receiver to centerline of scope tube is - low .92", medium 1.05", high 1.17". Same as Winchester70 long action.

Model 60:

Mount fits both left and right hand firearms.

Side clamp screws are 6-40 X 5/8" long. Ring screws are 6-40 X 5/8" long. Both screws use a 7/64" Allen wrench.

Outside to outside of rings is 3.92". Standard rings are .63" wide and have 2 screws per ring. Mount slides over rail and clamps on with side screws.  Height of mount from top of receiver to centerline of scope tube is - low .94".

*   Precision machined from a solid block of top-grade billet 6061T6 aluminum

• Custom made to fit each type of firearm and align perfectly with your rifle’s receiver
• No moving parts between the firearm and the scope
• 67% lighter than comparable one-piece mounts with four times the threads and precision socket-head cap screws for absolute strength and security
• Absorbs shock and withstands temperature extremes better than steel mounts at a fraction of the weight
• Made in the USA