+1-800-504-5897 Help Center Check Order Status
About Us Policies Reviews How To
Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Enjoy free shipping during the holidays! Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.

Enjoy Our Extended FREE RETURNS

We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later). We'll even cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

Lyman 57SML and 57GPR Receiver Sights Up to 24% Off w/ Free S&H — 2 models

Lyman 57GPR Receiver Sight For G.Plains Rifle 3090112
Lyman 57GPR Receiver Sight For G.Plains Rifle 3090112
1 of 1 images
Lyman 57GPR Receiver Sight For G.Plains Rifle 3090112

Tap Tap to Zoom

Questions & Answers
Will this sight fit my left handed lyman deerstalker flintlock? Expert Answer

Unfortunately, Lyman says right-hand only - nothing for southpaws.

Mark H.

by Mark H., Gear Expert, January 11, 2018
See 1 More Answer
Looking to install in Traditions .50 caliber percussion "Kentucky" rifle - two questions - will it work and what front sight need I get? Expert Answer

The Lyman 57SML and 57GPR Receiver Sights are designed to fit the Lyman Deerstalker or Trade Rifle. It may fit a Traditions Kentucky Rifle, but modification to the rifle would mostly likely be needed to fit these sights.

by Hunter, Gear Expert, July 15, 2022
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Great Sight! by Legacy Reviewer, January 19, 2013
This is what I needed to make my flintlock shoot-able again. At age 61, my eyes need a little help and the aperture sight makes it happen. I should have put one of these on years ago!
2/3 found this helpful
Helpful Positive Review
A Great Sight For Tired Old Eyes by van, Verified Owner, July 27, 2013
I just purchased my second Lyman 57GPR receiver sight and now have one of a .54 caliber GPR and one on a .50 caliber GPR. These sights move the distance at which I can accurately place a shot from 50 yards to 100+ yards. They are so easy to mount and...
Read More...
5/5 found this helpful
Helpful Positive Review
Lyman Peep Sight for Great Plaines Black Powder Rifle by Pardner, Verified Owner, January 13, 2013
I personally would like Target Knobs for windage and elevation. Rifle stock Length of pull is a tad short, Lyman should manufacture a stock extension as an accessory. Remember to swab attachment screw holes with alcohol, wipe dry with cue-tips, and u...
Read More...
3/4 found this helpful
Helpful Positive Review
Lyman 57SML Rear Sight 3090114 by Bubba, Verified Owner, December 17, 2011
This sight helped tighten my shot group tremendously, you can't beat the simplicity and accuracy. Since it sits on the tang, you do have to mind where you place the thumb on your shooting hand. Colorado and some other states do not allow optics on ...
Read More...
3/4 found this helpful
Most Recent Reviews
Lyman muzzleloader peep sight by Jeff, Verified Owner, July 11, 2024
Received it in excellent shape, all components nicely blued, along with easy instructions to follow for installation, highly recommend this product!!
Most Recent Reviews
Lyman's 57GPR Receiver Sight by John, May 16, 2024
I had this sight back ordered for 2-3 years before it was available, so I was quite excited to finally have it arrive in the mail. To mount this sight the tang on the Lyman's Great Plains Rifle only one hole must be drilled and tapped first. But I ra...
Read More...
Read All 9 Reviews

On Sale

See more Lyman Tritium & Fiber Optic Night Sights items on sale
This item is currently on sale and has a new, lower price!
In Stock
2 Models Available
Search

Product Info for Lyman 57SML and 57GPR Receiver Sights

Lyman 57SML and 57GPR Receiver Sights on sale and available from our online store. OpticsPlanet, Inc is an Authorized US Distributor for Lyman Tritium & Fiber Optic Night Sights.image

Improve your accuracy with a Lyman receiver sight.

The most popular black powder receiver sight offers an immediate improvement in accuracy for the target shooter or hunter. Features 1/4 minute micrometer click adjustments for elevation and windage, quick release slide. 57SML fits perfectly on Lyman Deerstalker or Trade Rifle. Other models may require minor drilling and tapping depending on manufacturer. 57GPR fits Great Plains with supplied adapter.

WEIGHT: 4 oz

Lyman 57SML and 57GPR Receiver Sights is available with the following options:

  • Lyman 3090112 57GPR Receiver Sight For G.Plains Rifle
  • Lyman 3090114 57SML Rear Sight

We offer complete line of Lyman Tritium & Fiber Optic Night Sights. For our complete selection of products by Lyman on sale please visit our Lyman page. For more Tritium & Fiber Optic Night Sights please visit our Tritium & Fiber Optic Night Sights store section.

Package Contents:

  • Lyman 57SML and 57GPR Receiver Sights

Lyman 57SML and 57GPR Receiver Sights Orderable Models

List of Orderable Models

  • Lyman 57GPR Receiver Sight For G.Plains Rifle 3090112 , MPN: 3090112 , UPC: 011516301123 , Code: LY-RS1-FDEFEC-3090112
  • Lyman 57SML Rear Sight 3090114 , MPN: 3090114 , UPC: 011516301147 , Code: LY-RS1-FDEFEC-3090114
Compare (0)
1 item has been added
Add at least two items to compare