Home / Competition Shotgun Parts & Upgrades / Stoeger / Stoeger Parts / MOA Precision Heavy-Bolt system MOA Precision Heavy-Bolt system$20.00 – $90.00 This revolutionary product incorporates a heavier carrier assembly to increase reliability with light target loads, similar to the “Speedbolt”(R) system used by Benelli in the Vinci. Available as a complete drop-in unit, a core exchange for your existing carrier, or a DIY for those of you with mechanical ability and a TIG welder, with or without our reduced power recoil spring. See options to choose the right system for you! NOTES- for Core exchange, please put “core exchange” in the comments section of your order, and send in your old UNMODIFIED carrier bar. Your credit card will be refunded up to $35 once condition has been evaluated for wear and damage. If you would like us to modify your existing carrier bar, please ship to us with contact information. The service is $35, and includes Manganese Phosphate coating for wear and corrosion resistance. When used with our reduced power recoil spring, we have seen 100% reliability with Fiocchi 7/8oz slugs, as well as 2-3/4 dram 1oz and 1-1/8oz light target and handicap loads. Made in the USA from 4142 Chrome-Moly steel, Manganese Phosphate coated for wear and corrosion resistance. Heavy-Bolt Options Choose an optionCarrier Assembly with SpringCarrier AssemblyWeight ONLY Requires WeldingWeight with Spring Requires WeldingClear MOA Precision Heavy-Bolt system quantity Add to cart SKU: heavibolt Category: Stoeger Parts Additional information Reviews (0) Additional information Heavy-Bolt Options Carrier Assembly with Spring, Carrier Assembly, Weight ONLY Requires Welding, Weight with Spring Requires Welding Reviews There are no reviews yet. Be the first to review “MOA Precision Heavy-Bolt system” Cancel replyYou must be logged in to post a review.