NC Star Scope Rings

A2Z Outdoors

NC Star Scope Rings

We offer a full line of Scope Rings in one inch and 30mm diameters. Black and Silver finishes as well as steel and aluminum rings are available. Many rings have a one inch insert that allows you to mount either a one inch diameter scope or a 30mm diameter scope with the insert removed. Various ring heights are available for each of the models. Note that the RB11/2 and the RB18/2 rings have one movable ring to mount those "hard to mount" scopes where the rings hit the towers or the you need more or less eye relief to fit your shooting stance. Don't forget to take into account the added front belle diameter with scope caps in place when choosing your ring height.

O = Total Ring Height from receiver to top of rings

H = Distance from receiver to center of ring

Rings with one inch inserts can be used with one inch tube scopes using the inserts or inserts can be removed and rings will now fit 30mm scope tubes.

The Ring Selection Chart is only approximate. It is designed for tapered sporting barrels, not bull barrels. Add some height for bull barrels. You may want to measure the front belle with the scope caps in place to make sure your scope and caps clear the barrel.

O = Total Ring Height from receiver to top of rings

H = Distance from receiver to center of ring

RING SELECTION CHART
One Inch Tube		30 MM Tube
Measured front belle size (not glass)	You will need rings this high measured from the top of the receiver (or base) to the center of the ring. (H)	Measured front belle size (not glass)	You will need rings this high measured from the top of the receiver (or base) to the center of the ring. (H)
.984"-1.377"	.650	Less than 1.967"	.800
1.417"-2.125"	.710	1.968"-2.362"	.900
2.165"-2.480"	.890	2.401"2.559"	1.200
2.519"-2.559"	1.00

RB01

	1" Weaver ring (black)
	Aluminum
	Comes in pair
	Weight:2.10 oz. O:1.50" H:0.72"

AVAILABLE IN SILVER (RS01)

Order Number	Description	Price
RB01	NC Star Weaver-Style One Inch Rings, Black	$7.00
RS01	NC Star Weaver-Style One Inch Rings, Silver	$7.00

O = Total Ring Height from receiver to top of rings

H = Distance from receiver to center of ring

RB03

	1" Weaver ring-all steel
	Comes in pair
	Weight: 6 oz. O:1.70" H:0.9"

Order Number	Description	Price
RB03	NC Star Weaver-Style One Inch Rings, Black	$11.00

RB11

	1" Weaver ring (black)
	Aluminum
	Comes in pair
	Weight:2.80 oz. O:2.00" H:1.20"

AVAILABLE IN SILVER (RS11)

Order Number	Description	Price
RB11	NC Star Weaver-Style One Inch Rings, Black	$7.00
RS11	NC Star Weaver-Style One Inch Rings, Silver	$7.00

O = Total Ring Height from receiver to top of rings

H = Distance from receiver to center of ring

RB11/2

	1" Weaver ring/black/ flat/ stud-high
	Aluminum
	Comes in pair
	Weight:2.70 oz. O:2.00" H:1.20" Technical Note about the RB11/2 Weaver and Picatinny rails have cross slots milled onto them. The RB11/2 has only one ring with a recoil stud, this helps with mounting scopes onto the rail, especially with compact scopes where you don’t have much room on the scope body to mount the rings and align the rings to the slots on the rails. Having rings with both recoil studs may limit where they can mount the scope on their rail, which may affect the user on getting the proper eye relief. Usually only an issue with compact scopes. Full size scopes usually give you much latitude as to where you can mount the rings to the scope body and still get a proper eye relief and to be able to mount the scope to the rails. So the full size scopes usually won’t have an issue with the RB11. This is the cure for getting more or less eye relief with certain scope mounting applications. You can mount the scope without the rings hitting the scope towers.

Order Number	Description	Price
RB11/2	NC Star Weaver-Style One Inch Rings, Black	$7.00

RB13

	1" Weaver ring (black)
	Aluminum
	Comes in pair
	Weight:2.71 oz. O:2.20" H:1.42"

Order Number	Description	Price
RB13	NC Star Weaver-Style One Inch Rings, Black	$7.00

RB21

	1" weaver ring (black)
	Aluminum
	Comes in pair
	Weight:2.20 oz. O:1.50" H:0.63"

AVAILABLE IN SILVER (RS21)

Order Number	Description	Price
RB21	NC Star Weaver-Style One Inch Rings, Black	$7.00
RS21	NC Star Weaver-Style One Inch Rings, Silver	$7.00

O = Total Ring Height from receiver to top of rings

H = Distance from receiver to center of ring

RB23

	1" weaver ring (black)
	Aluminum
	Comes in pair
	Weight:2.80 oz. O:1.75" H:0.90"

AVAILABLE IN SILVER (RS23)

Order Number	Description	Price
RB23	NC Star Weaver-Style One Inch Rings, Black	$7.00
RS23	NC Star Weaver-Style One Inch Rings, Silver	$7.00

RB29

	1" weaver ring (black)
	Aluminum
	Comes in pair
	Weight:2.70 oz. O:1.63" H:0.81"

Order Number	Description	Price
RB29	NC Star Weaver-Style One Inch Rings, Black	$7.00

RB31

	1" Weaver ring-all steel, Lever Lock for easy mounting and dismounting
	Comes in pair
	Weight:5.30 oz. O:1.60" H:0.9"

Order Number	Description	Price
RB31	NC Star Weaver-Style Lever One Inch Rings, Black	$12.00

O = Total Ring Height from receiver to top of rings

H = Distance from receiver to center of ring

RB33

	1" Weaver ring-all steel , Lever Lock for easy mounting and dismounting
	Comes in pair
	Weight: 6.1 oz. O: 1.80" H:1.00"

Order Number	Description	Price
RB33	NC Star Weaver-Style Lever One Inch Rings, Black	$12.00

Rings with one inch inserts can be used with one inch tube scopes using the inserts or inserts can be removed and rings will now fit 30mm scope tubes.

O = Total Ring Height from receiver to top of rings

H = Distance from receiver to center of ring

RING SELECTION CHART
One Inch Tube		30 MM Tube
Measured front belle size (not glass)	You will need rings this high measured from the top of the receiver (or base) to the center of the ring. (H)	Measured front belle size (not glass)	You will need rings this high measured from the top of the receiver (or base) to the center of the ring. (H)
.984"-1.377"	.650	Less than 1.967"	.800
1.417"-2.125"	.710	1.968"-2.362"	.900
2.165"-2.480"	.890	2.401"2.559"	1.200
2.519"-2.559"	1.00

RB06

	30 MM Weaver ring /1" inserts
	Aluminum
	Comes in pair
	Weight:3.4 oz. O:1.55" H:1.5"

Order Number	Description	Price
RB06	NC Star Weaver-Style One Inch/30mm Rings, Black	$8.00

RB04

	30 MM weaver ring / 1" inserts
	Aluminum
	Comes in pair
	Weight:4.10 oz. O:2.15" H:1.22"

Order Number	Description	Price
RB04	NC Star Weaver-Style One Inch/30mm Rings, Black	$8.00

O = Total Ring Height from receiver to top of rings

H = Distance from receiver to center of ring

Rings with one inch inserts can be used with one inch tube scopes using the inserts or inserts can be removed and rings will now fit 30mm scope tubes.

RB18/2

	30mm weaver ring/ black/ flat stud-low/1" inserts
	Aluminum
	Comes in pair
	Weight: 4.10 oz.
	Length:1.90", Height 1.0" Technical Note about the RB18/2 Weaver and Picatinny rails have cross slots milled onto them. The RB18/2 has only one ring with a recoil stud, this helps with mounting scopes onto the rail, especially with compact scopes where you don’t have much room on the scope body to mount the rings and align the rings to the slots on the rails. Having rings with both recoil studs may limit where they can mount the scope on their rail, which may affect the user on getting the proper eye relief. Usually only an issue with compact scopes. Full size scopes usually give you much latitude as to where you can mount the rings to the scope body and still get a proper eye relief and to be able to mount the scope to the rails. So the full size scopes usually won’t have an issue with the RB18. This is the cure for getting more or less eye relief with certain scope mounting applications. You can mount the scope without the rings hitting the scope towers.

Order Number	Description	Price
RB18/2	NC Star 30mm Weaver ring/ black/ flat stud-low/1" inserts	$9.00

RB18

	30 MM weaver ring / 1" inserts
	Aluminum
	Comes in pair
	Weight:2.10 oz. O:1.60" H:0.7"

Order Number	Description	Price
RB18	NC Star 30mm Weaver ring/ black/1" inserts	$8.00

RB24

	30 mm weaver ring/ 1" aluminum inserts/ high
	Aluminum
	Comes in pair
	Weight: 5.90 oz. O: 2.38" H: 1.45"

Order Number	Description	Price
RB24	NC Star 30 mm Weaver ring/ 1inch aluminum inserts/ high	$14.00

RB26

	30 mm weaver ring/ 1" aluminum inserts/med
	Aluminum
	Comes in pair
	Weight:4.80 oz. O:1.95" H:0.98"

Order Number	Description	Price
RB26	NC Star 30 mm Weaver ring/ 1" aluminum inserts/med	$8.00

RMB04

	30mm weaver tri-ring mount, provides three Weaver/Picatinny rails to mount accessories on top of scope
	Aluminum
	Comes in pair, includes one inch insert
	Weight:3.70 oz. O:2.45" H:1.3"

Order Number	Description	Price
RMB04	NC Star 30mm Weaver tri-ring mount	$15.00

RMB11

	30mm weaver tri-ring mount, provides three Weaver/Picatinny rails to mount accessories on top of scope
	Aluminum
	Comes in pair
	Weight: 3.80 oz. O:2.33" H:1.20"

Order Number	Description	Price
RMB11	NC Star 30mm Weaver tri-ring mount	$15.00

RMB18

	Tri-ring mount same center height as RB18, provides three Weaver/Picatinny rails to mount accessories on top of scope
	Aluminum
	Comes in pair
	Weight:1.94 oz. O: 2.00" H:0.98"

Order Number	Description	Price
RMB18	NC Star 30mm Weaver tri-ring mount	$15.00

O = Total Ring Height from receiver to top of rings

H = Distance from receiver to center of ring

RING SELECTION CHART
One Inch Tube		30 MM Tube
Measured front belle size (not glass)	You will need rings this high measured from the top of the receiver (or base) to the center of the ring. (H)	Measured front belle size (not glass)	You will need rings this high measured from the top of the receiver (or base) to the center of the ring. (H)
.984"-1.377"	.650	Less than 1.967"	.800
1.417"-2.125"	.710	1.968"-2.362"	.900
2.165"-2.480"	.890	2.401"2.559"	1.200
2.519"-2.559"	1.00

RB17

	1" Ring-3/8" dove tail-low
	Aluminum
	Comes in pair
	Weight: 1.90 oz. O:1.60" H:0.90"

Order Number	Description	Price
RB17	NC Star 1" Ring-3/8" dove tail-low	$7.00

RB19

	1" Ring 3/8" dove tail-high see through
	Aluminum
	Comes in pair
	Weight:2.70 oz. O:2.00" H:1.35" Fit rifles with grooved receivers (common on rimfires)

AVAILABLE IN SILVER (RS19)

Order Number	Description	Price
RB19	NC Star 1" Ring 3/8" dove tail-high see through , Black	$7.00
RS19	NC Star 1" Ring 3/8" dove tail-high see through ,Silver	$7.00

RB25

	1" Dove tail
	Aluminum
	Comes in pair
	Weight:1.5 oz. O:1.65" H: 1.06" Fit rifles with grooved receivers (common on rimfires)

Order Number	Description	Price
RB25	NC Star 1" Ring-3/8" dove tail-low	$7.00

RB27

	1"Dove tail
	Aluminum
	Comes in pair
	Weight:1.8 oz. O:1.95" H:1.43" Fit rifles with grooved receivers (common on rimfires)

Order Number	Description	Price
RB27	NC Star 1" Ring-3/8" dove tail	$7.00

RB20

	30 MM Ring 3/8 dove tail / 1" inserts low
	Aluminum
	Comes in pair
	Weight:4.00 oz. O:1.75" H:1.45" Fit rifles with grooved receivers (common on rimfires)

Order Number	Description	Price
RB20	NC Star 30 MM Ring 3/8 dove tail / 1" inserts low	$7.00

RB22

	30 MM Ring 3/8 dove tail / 1" inserts high
	Aluminum
	Comes in pair
	Weight:4.00 oz. O:2.15" H:1.45" Fit rifles with grooved receivers (common on rimfires)

Order Number	Description	Price
RB22	NC Star 30 MM Ring 3/8 dove tail / 1" inserts high	$7.00

RUB26

Technical Notes on Ruger rings

The Ruger rings are all sold individually. Some Ruger long guns have staggered mounts, where you need a low and a high set of rings to mount the scope parallel with the bore of the barrel. Yet there are Ruger rifles with ring mounts on the same level, so they need a pair of the same Ruger type rings to mount the scope parallel with the bore of the barrel

	Ruger ring 30 MM/1" insert low
	(black) aluminum
	Weight: 1.77 oz. O:1.85" H:0.98" Sold individually.

AVAILABLE IN SILVER (RUS26)

Order Number	Description	Price
RUB26	NC Star Ruger ring 30 MM/1" insert low , Black	$15.00
RUS26	NC Star Ruger ring 30 MM/1" insert low, Silver	$15.00

RUB28

Technical Notes on Ruger rings

	Ruger ring 30 MM/1" insert, high
	(black) aluminum
	Weight:1.90 oz. O:1.98" H:1.12" Sold individually.

AVAILABLE IN SILVER (RUS28)

Order Number	Description	Price
RUB28	NC Star Ruger ring 30 MM/1" insert, high , Black	$15.00
RUS28	NC Star Ruger ring 30 MM/1" insert, high, Silver	$15.00

Text and graphics courtesy of NC Star

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