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HSM Match .300 Blackout — 208 gr Hornady A-MAX — 20 Rounds per Box / 25 Boxes per Case (300BLK1N) — Informational Overview
The HSM Match .300 Blackout load is a centerfire rifle cartridge offering configured with a 208 grain Hornady A-MAX projectile. This product is identified by part number 300BLK1N and UPC 837306006777. Packaging is listed as 20 rounds per box and 25 boxes per case (500 rounds per case total). As part of HSM’s Match line, it is positioned for users who prioritize consistency and precision-oriented performance characteristics typical of match-style ammunition (actual results depend on firearm setup and ammunition lot).
Key Identifiers
Manufacturer: HSM (Hunting Shack / HSM Ammunition)
Line: Match
Cartridge: .300 Blackout (300 BLK)
Bullet Weight: 208 grain
Bullet Type: Hornady A-MAX
Packaging: 20 rounds per box / 25 boxes per case
Part Number / MPN: 300BLK1N
UPC: 837306006777
.300 Blackout: Platform and Load Context
The .300 Blackout (300 BLK) cartridge is widely used in AR-pattern rifles and other compatible platforms. Performance in .300 BLK can vary significantly based on:
Barrel length
Gas system configuration
Ammunition type (including subsonic vs supersonic categories)
Twist rate and projectile stability
Intended use distances and accuracy requirements
Because the listing specifies a 208 grain projectile, many users associate this weight class with applications where heavier bullets are used; however, confirming the specific load characteristics from the manufacturer is important for understanding velocity class and intended operating envelope.
208 gr Hornady A-MAX: Projectile Notes
This load uses a Hornady A-MAX projectile in 208 grain. A-MAX bullets are commonly known for a profile and construction often associated with precision shooting and consistent aerodynamics. Users typically consider:
Stability requirements (twist rate and barrel characteristics)
Expected ballistic behavior (which depends on velocity and environmental conditions)
Point-of-impact differences versus lighter or different-profile bullets
Actual accuracy and ballistic performance depend on firearm setup, barrel harmonics, muzzle velocity, and lot-to-lot consistency.
Match Line: Consistency-Focused Use Context (Non-Promotional)
HSM’s Match labeling generally indicates ammunition positioned for:
Precision-oriented range work
Consistency across a given lot for repeatable results
Users who want tighter performance variability compared with general-purpose loads
Individual rifles can show strong preferences for certain bullet weights and profiles, so many users evaluate match ammunition by testing for grouping and reliability in their specific firearm.
Packaging Format: 20/Box and 25/Case (500 Rounds)
This product is packaged as:
Case quantities are often used for:
Maintaining a consistent lot for extended training or evaluation
Simplifying storage and inventory control
Supporting repeatable performance when testing and documenting results
Ammunition should be stored in a cool, dry place and handled according to manufacturer guidance.
Safety and Compliance Notes
Always verify ammunition is appropriate for your firearm’s chambering and operating configuration.
Follow all local laws and range rules regarding ammunition purchase, transport, and use.
Store ammunition securely and away from heat, moisture, and unauthorized access.
Quick Reference Summary
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