Yankee Hill Machine Company YHM-4302-MB-24A 30Cal Muzzle Brake (5/8-24) — Pack Qty 4
Log in to view prices
Yankee Hill Machine Company YHM-4302-MB-24A muzzle brake with 5/8-24 thread for 30-caliber suppressor quick-detach mounting; includes shim kit and sold as a packaged quantity of 4 units (SKU YHM-4302-MB-24A). Item is designated for 30Cal LT(A) silencers in attributes.
Guaranteed safe checkout

Description
Description
Product Overview
Yankee Hill Machine Company YHM-4302-MB-24A is cataloged under Silencer Mounts / Silencers. Source facts verify it is a Q.D. mount for 30Cal suppressors, includes a shim kit, and is explicitly designated for 30Cal LT(A) silencers. Package quantity is 4 and SKU is YHM-4302-MB-24A (source_fact_ids: [“product-275786:f002″,”product-275786:f004″,”product-275786:f009″,”product-275786:f010″,”product-275786:f011″,”product-275786:f008″,”product-275786:f014”]).
Why This Product
The recorded Q.D. mount attribute identifies this muzzle device as providing a quick-detach interface for 30-caliber suppressors, and the included shim kit is a verified inclusion important for indexing and alignment during installation. The attribute explicitly states the device is for 30Cal LT(A) silencers, which is a critical compatibility boundary recorded in source facts (source_fact_ids: [“product-275786:f009″,”product-275786:f010″,”product-275786:f011”]). Package quantity 4 is relevant for small-batch procurement (source_fact_ids: [“product-275786:f008”]).
Key Verified Specifications
- Brand: Yankee Hill Machine Company (source_fact_ids: [“product-275786:f002″,”product-275786:f006″,”product-275786:f007”])
- Product category: Accessory — Silencer Mounts / Silencers (source_fact_ids: [“product-275786:f003″,”product-275786:f004″,”product-275786:f005”])
- Verified features: Q.D. Mt for 30Cal Suppressor; Includes Shim Kit; Only for 30Cal LT(A) Silencer (source_fact_ids: [“product-275786:f009″,”product-275786:f010″,”product-275786:f011”])
- Thread spec (from title): 5/8-24 (source_fact_ids: [“product-275786:f001”])
- Package quantity: 4 units (source_fact_ids: [“product-275786:f008″,”product-275786:f012”])
- SKU: YHM-4302-MB-24A (source_fact_ids: [“product-275786:f014”])
- Availability: instock (source_fact_ids: [“product-275786:f015”])
Appropriate Use Cases
- Purchasing multiple muzzle brakes for shop inventory or small group installations where case-pack quantities are relevant to ordering (source_fact_ids: [“product-275786:f008”]).
- Installing a quick-detach mounting interface for a listed 30Cal LT(A) silencer where a shim kit is needed to achieve correct alignment (source_fact_ids: [“product-275786:f009″,”product-275786:f010″,”product-275786:f011”]).
What Customers Should Know
- The record explicitly identifies this item as for 30Cal LT(A) silencers; do not assume compatibility with other suppressor models unless explicitly confirmed (source_fact_ids: [“product-275786:f011”]).
- Package quantity is 4 units; confirm whether orders are case packs or can be split to single units (source_fact_ids: [“product-275786:f008″,”product-275786:f012”]).
- Thread spec 5/8-24 is present in the product name — verify that this thread matches the host-barrel specification before installation (source_fact_ids: [“product-275786:f001”]).
- Use SKU YHM-4302-MB-24A for ordering/receiving (source_fact_ids: [“product-275786:f014”]).
Specifications
- Short Stroke Gas Piston Gas System (Rifle Length)
- 18.6″ Barrel Length ( Mid-Weight style, non-fluted)
- 1:8 Twist Rate Rifling

