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Q&A for AIM Sports AR Carbine Length 2-Piece Quad Rail w/ Extended Rail — 43 Questions & 43 Answers

Name AIM Sports AR Carbine Length 2-Piece Quad Rail w/ Extended Rail (4.5)
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Q
sean, guest, from FL, United States, asked on December 04, 2017

will it fit a m&p 15 sport 2

A
Answered by Michael, guest, from NC, United States, on May 01, 2018

No, if your front sight has the bayonet lug on the bottom, as do most stock M&P Sport 2's. The third piece of the rail, which sits in front of your sight on the bottom side, hits up against that lug. Your options are to cut into the rail, cut off the lug, or do what I did: return the rail.

7 of 7 found the following answer helpful.
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Q
Jman, member, from IN, United States, asked on March 03, 2020

Will this fit my rugar ar 556 model?

Expert Answer
A
Answered by Jonathan D., Gear Expert, from IL, United States, on March 18, 2020

Yes, it should. Please note the Ruger Delta Ring system is notoriously tight fitting.

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Expert Answer
A
Answered by Armando R., Gear Expert, from IL, United States, on November 07, 2019

It may fit, but you may run into issues with the front sight gas block and specifically the bayonet lug. This should not stick out past the end of the barrel and should be right at the end of the barrel length.

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Q
Robert, guest, from OH, United States, asked on August 08, 2019

Will this fit a Springfield Saint?

Expert Answer
A
Answered by Ethan C., Gear Expert, from IL, United States, on August 14, 2019

This will fit as long as you have a carbine length drop-in handguard setup however the Saint rifle with a drop-in handguard is usually mid-length instead.

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Q
Josh, guest, from FL, United States, asked on July 15, 2019

Would this drop in work with a rra lar 15 with side swivel on front sight post?

Expert Answer
A
Answered by Ethan C., Gear Expert, from IL, United States, on August 14, 2019

This will fit as long as you have a carbine length drop-in handguard setup.

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Q
Carson, guest, from TX, United States, asked on July 11, 2019

Does it fit by a delta ring?

Expert Answer
A
Answered by Ethan C., Gear Expert, from IL, United States, on August 14, 2019

Yes, this requires a delta ring assembly to install on the rifle.

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Q
Wild Bill, guest, from IA, United States, asked on May 18, 2019

Will this fit on my ruger AR556...?

Expert Answer
A
Answered by Ethan C., Gear Expert, from IL, United States, on August 14, 2019

This will fit as long as you have a carbine length drop-in handguard setup, however the Ruger AR556 is notorious for it's tight fitment so some minor modification (filing/sanding) could be required.

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Q
Jonathan, guest, from VA, United States, asked on May 10, 2019

Will this fit the S&W M&P Sport II Optics Ready?

Expert Answer
A
Answered by Ethan C., Gear Expert, from IL, United States, on August 14, 2019

This will fit as long as you have a carbine length drop-in handguard setup.

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Q
CLIFFORD, guest, from GA, United States, asked on March 06, 2019

Will this fit smith and wesson ar10 sport

Expert Answer
A
Answered by Ethan C., Gear Expert, from IL, United States, on August 14, 2019

No, this will not fit .308 and similar platforms.

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Q
Bee, guest, from IN, United States, asked on March 03, 2019

I see most people asking about it fitting an ar15. How about a panther arms ar10?

Expert Answer
A
Answered by Ethan C., Gear Expert, from IL, United States, on August 14, 2019

This is not compatible with an AR-10 or AR-308 platform.

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Last updated 2025-11-12 UTC.