Yankee Hill Machine Company YHM-4302-MB-28A 30Cal Muzzle Brake Q.D. Mount 1/2-28 — Includes Shim Kit (Pkg Qty 28)
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Yankee Hill Machine Company YHM-4302-MB-28A is a 30-caliber muzzle brake with a quick-detach mount for 30Cal suppressors, includes a shim kit, and is packaged as 28 units per package (SKU YHM-4302-MB-28A). The listing also specifies it is only for 30Cal LT(A) silencers—useful for mount and parts matching.
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Description
Description
Product Overview
Yankee Hill Machine Company YHM-4302-MB-28A is listed under Silencer Mounts and Silencers. Source facts identify this part as a Q.D. mount for 30Cal suppressors, includes a shim kit, and notes it is only for 30Cal LT(A) silencers. Package quantity is 28 and SKU is YHM-4302-MB-28A. (f002, f003, f004, f005, f009, f010, f011, f008, f014)
Why This Product
Verified mount compatibility language and inclusion of a shim kit are decision-useful for buyers matching muzzle devices to specific suppressors. Package Qty = 28 supports bulk ordering and inventory planning. (f009, f010, f011, f008)
Key Verified Specifications
- Manufacturer / Brand: Yankee Hill Machine Company (f002, f006, f007)
- Model / SKU: YHM-4302-MB-28A (f001, f014)
- Category: Silencer Mounts / Silencers (f003, f004, f005)
- Feature: Q.D. Mount for 30Cal Suppressor (f009)
- Includes: Shim Kit (f010)
- Restriction note: Only for 30Cal LT(A) Silencer (f011)
- Package quantity: 28 units per package (f008, f012)
- Availability: In stock (f015)
Appropriate Use Cases
- Mount selection where a quick-detach mount for 30Cal suppressors is required — use the Q.D. Mount and “Only for 30Cal LT(A) Silencer” facts to verify matching. (f009, f011)
- Bulk procurement for accessory kits or distribution where package quantity = 28 affects logistics. (f008)
What Customers Should Know
- The product notes it is “Only for 30Cal LT(A) Silencer” — confirm with your supplier the exact suppressor model compatibility and thread spec before purchasing or assuming fit. The source facts do not include thread pitch or additional mounting dimensions. (f011, f009)
- Includes a shim kit; verify shim sizes provided and whether additional shims or adapters are required for your suppressor. (f010)
- Package Qty = 28; confirm pricing, shipping, and how units are packaged for receiving and storage. (f008)
Specifications
- Short Stroke Gas Piston Gas System (Rifle Length)
- 18.6″ Barrel Length ( Mid-Weight style, non-fluted)
- 1:8 Twist Rate Rifling

