--- title: "AIR ARMS MPR Butt Spacer Kit, 3 Spacers, 20mm Total Width" canonical_url: "https://www.kygunco.com/product/air-arms-mpr-butt-spacer-kit-3-spacers-20mm-total-width" meta: author: KYGUNCO "og:image": "https://cdn.kygunco.com/assets/products/127593/thumbnail.jpg?v=1734096200" "og:image:height": "500" "og:image:width": "500" "og:title": "AIR ARMS MPR Butt Spacer Kit, 3 Spacers, 20mm Total Width" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Shooting](https://www.kygunco.com/category/shooting) / [Guns](https://www.kygunco.com/category/shooting/guns) / [Air Guns](https://www.kygunco.com/category/shooting/guns/air-guns) / [Air Gun Ammo](https://www.kygunco.com/category/shooting/guns/air-guns/air-gun-ammo) / [Pellets](https://www.kygunco.com/category/shooting/guns/air-guns/air-gun-ammo/pellets) / RRM-PY-A-3848 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/127593/main.jpg?v=1734096200) For illustration purposes only, this image may not be an exact representation of the product. # AIR ARMS MPR Butt Spacer Kit, 3 Spacers, 20mm Total Width $17.99 Online In Store ** Flat Rate $13.94 for every 25 lbs. Shipping to HI & AK may incur additional fees. ** Ships To Your Home Handled by our expert shippers in Bardstown, KY. Item # 127593 Style RRM-PY-A-3848 UPC 5031477026717 Condition New Manufacturer [Air Arms](https://www.kygunco.com/brand/air-arms) Weight 0.35 lb Butt spacer kit Fits Air Arms S400 MPR 10-meter air rifle Includes 3 spacers of different thicknesses and 3 sets of screws of different lengths Create the perfect length of pull (LOP) with these butt spacer inserts. Made for the Air Arms S400 MPR 10-meter air rifle, these inserts come in three thicknesses and different screw lengths to attach one, two or all three spacers. Ideal for clubs that have more than one size shooter using the S400 MPR air rifle. Also useful if the air gun is used by one shooter who's still growing. ** WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov). 0.0 ** ** ** ** ** 0 reviews ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## More from Air Arms ```json {"@context":"https://schema.org","@graph":[{"@id":"https://www.kygunco.com/#website","@type":"WebSite","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"KYGUNCO","url":"https://www.kygunco.com/","publisher":{"@id":"https://www.kygunco.com/#/schema/organization/kygunco"}},{"@id":"https://www.kygunco.com/product/air-arms-mpr-butt-spacer-kit-3-spacers-20mm-total-width#webpage","@type":"WebPage","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"AIR ARMS MPR Butt Spacer Kit, 3 Spacers, 20mm Total 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