Sully 870 Ejector System

SLR15 · September 20, 2024, 07:04 PM

We are just releasing a replacement ejector for the Remington 870, that I designed a couple of years ago when Remington bankrupted and all parts disappeared.

The factory 870 ejector is the most common broken and damaged part that we see on the 870 when teaching Armorer courses.

Damage to the spring happens when someone has the trigger group out, and lifts up on the back of the spring, causing it to get bent too high, and when the gun is reassembled and cycled the spring will bind, sometimes bend and lock the action up, or most often the spring will break off.

The tip of the ejector gets broken off, this is the most common thing we see. How it gets broken off, is someone has the barrel off, with the pump action (Action bar assembly) cycled to the rear, and tries to reinstall the barrel. When the pump action is to the rear, most times the barrel will be slighly out of alignment due to how the wide flared out back end of the barrel interacts with the foreand, being out of alignment about 1/4", and a person tries to squeeze the barrel into alignment, which causes the tip of the ejector to break off. A broken ejector tip will not support the barrel, so the barrel twist in the receiver while cycling the action, and the action locks up going forward or rearward.

So with many of the factory 870 parts being hard to find since 2020, the ejector system being a must have part that became unavailable. So I set out to make the part, and found I could improve upon the original design. I figured out how to screw it in, which makes it stronger in design, and much easier to replace.

The Sully 870 Ejector system (patent pending) is designed to be installed using 2 screws. The screw design allows for much easier installation, with no special tools required.

Simply align the Sully Ejector and Spring, and screw it into place with a few drops of thread locker on the screws.

The Sully 870 Ejector system is designed so the spring is tucked under the ejector against the receiver. The ejector is thicker on the front end, which gives greater strength to support the barrel.

This design also makes the ejector spring stronger, and eliminates the ejector spring being as easily damaged or torn loose from a rivet.

The screw design eliminates the need of having to refinish the receiver. There is no having to grind rivets flush and refinish and re-blue or parkerize the receiver.

Here is a comparison pic, ours on the top and the factory is on the bottom

CY6
Greg Sullivan "Sully"
WeaponsArmorer
SLR15 Rifles
Defensive Edge Training
(763) 712-0123

justaguywholikestosh · February 20, 2025, 06:31 AM

do you have a website? I am interested in this

SLR15 · March 4, 2025, 01:50 PM

"do you have a website? I am interested in this "

These can be obtained directly from us at WeaponsArmorer, and you can get them also from Midway as they now stock them.

We are working on a 3.5" Super Magnum version, that we will hopefully make available in a few months.

CY6
Greg Sullivan "Sully"
WeaponsArmorer
SLR15 Rifles
Defensive Edge Training
(763) 712-0123

September 20, 2024, 07:04 PM	#1
SLR15 Junior Member Join Date: September 28, 2007 Location: Minnesota Posts: 3	Sully 870 Ejector System We are just releasing a replacement ejector for the Remington 870, that I designed a couple of years ago when Remington bankrupted and all parts disappeared. The factory 870 ejector is the most common broken and damaged part that we see on the 870 when teaching Armorer courses. Damage to the spring happens when someone has the trigger group out, and lifts up on the back of the spring, causing it to get bent too high, and when the gun is reassembled and cycled the spring will bind, sometimes bend and lock the action up, or most often the spring will break off. The tip of the ejector gets broken off, this is the most common thing we see. How it gets broken off, is someone has the barrel off, with the pump action (Action bar assembly) cycled to the rear, and tries to reinstall the barrel. When the pump action is to the rear, most times the barrel will be slighly out of alignment due to how the wide flared out back end of the barrel interacts with the foreand, being out of alignment about 1/4", and a person tries to squeeze the barrel into alignment, which causes the tip of the ejector to break off. A broken ejector tip will not support the barrel, so the barrel twist in the receiver while cycling the action, and the action locks up going forward or rearward. So with many of the factory 870 parts being hard to find since 2020, the ejector system being a must have part that became unavailable. So I set out to make the part, and found I could improve upon the original design. I figured out how to screw it in, which makes it stronger in design, and much easier to replace. The Sully 870 Ejector system (patent pending) is designed to be installed using 2 screws. The screw design allows for much easier installation, with no special tools required. Simply align the Sully Ejector and Spring, and screw it into place with a few drops of thread locker on the screws. The Sully 870 Ejector system is designed so the spring is tucked under the ejector against the receiver. The ejector is thicker on the front end, which gives greater strength to support the barrel. This design also makes the ejector spring stronger, and eliminates the ejector spring being as easily damaged or torn loose from a rivet. The screw design eliminates the need of having to refinish the receiver. There is no having to grind rivets flush and refinish and re-blue or parkerize the receiver. Here is a comparison pic, ours on the top and the factory is on the bottom CY6 Greg Sullivan "Sully" WeaponsArmorer SLR15 Rifles Defensive Edge Training (763) 712-0123

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February 20, 2025, 06:31 AM	#2
justaguywholikestosh Junior Member Join Date: February 19, 2025 Posts: 1	do you have a website? I am interested in this

March 4, 2025, 01:50 PM	#3
SLR15 Junior Member Join Date: September 28, 2007 Location: Minnesota Posts: 3	"do you have a website? I am interested in this " These can be obtained directly from us at WeaponsArmorer, and you can get them also from Midway as they now stock them. We are working on a 3.5" Super Magnum version, that we will hopefully make available in a few months. CY6 Greg Sullivan "Sully" WeaponsArmorer SLR15 Rifles Defensive Edge Training (763) 712-0123