Securely mount scopes, sights, or other accessories on your Ruger American LA rifle with this One-Piece Picatinny Tactical Base from Sun Optics USA. CNC machined from T-6061 aluminum, the base comes with screws to mount it to the receiver and has a tapered tip and tail that eliminates sharp edges.

CNC Machined T-6061 Aluminum    Tapered Tip & Tail / No Sharp Edges    Full Receiver Length    Mounting Screws

Related Questions and Answers

Q: 1. do the solar filters on these glasses conform to the ISO 12312-2 worldwide safety standard (or or ISO 12312-2:2015)?

A: The American Paper Optics Eclipser HD Solar Glasses do conform to the ISO 12312-2 worldwide safety standard.

Q: 2. Are these approved by NASA?

A: The American Paper Optics Solar Eclipse Safety Glasses are ISO 12312-2 and CE certified which is what NASA recommends for safe solar viewing.

Q: 3. How should we test before eclipse? Put on in room should be 100% dark? Put on and look at full sun should just see circle sun?

A: You should hold the American Paper Optics Solar Eclipse Safety Glasses up to a light to check for any damage, scratches, rips, etc. As long as they seem fine you can just put them on and view the sun.

Q: 4. Repeating Jim's question, which was not answered - what standards do THESE glasses conform to?

A: This is the information off of the manufacture website: "Our plastic Eclipser® HD glasses are independently tested and are ISO and CE certified for the safest direct solar viewing. Not only do they look red-carpet ready, but our plastic Eclipser® HD glasses are manufactured exclusively with scratch resistant polymer (black/silver) material and have an optical density of 5 or greater. These Eclipser® HD Glasses filter out 100% of harmful ultra-violet rays, 100% of harmful infrared, and 99.999% of intense visible light. Our premium filters create the sharpest solar images with an amazing and natural orange color. "

Q: 5. Can you put these on over glasses you are already wearing to correct your vision?

A: Depending on the width of your glasses, you may have to hold them in place when viewing.

Q: 6. It will work with Sigma 24-70 2.8 DG HSM A-mount?

A: While this adapter does allow A mount lenses to work on a Sony E mount body, it has not been specifically tested with the Sigma 24-70mm f/2.8 DG HSM with an A mount. Your results may vary.

Q: 7. Can we curve the glasses around face to secure in place?

A: Yes, you can curve the American Paper Optics Solar Eclipse Safety Glasses around your face, but it is not necessary.

Q: 8. How many adapter per package?

A: This listing is for a single adapter.

Q: 9. Do these glasses last longer than the paper ones? I have a pair of paper ones that have some sort of expiration date.

A: Any solar glasses made after 2015 that are not scratched, torn, or coming apart, are safe to use. The frame of the American Paper Optics Eclipser HD Solar Glasses will last longer than paper glasses, but the viewing lens doesn't deteriorate on either type of glasses.

Q: 10. Will this adapter autofocus on a Sony A7 II and allow for tracking AF still photography modes with the Sony Zeiss Planar 50mm f/1.4 SSM as well as the Sony Zeiss Planar 85mm f/1.4 (with no SSM motor in the lens)???

A: A Sony Zeiss Planar 50mm f/1.4 SSM lens will have full autofocus tracking however a Sony Zeiss Planar 85mm f/1.4 without an SSM motor will not.