Underwood Ammo UNDERWOOD AMMO .357SIG 65GR. XTREME DEFENDER 20-PACK

Caliber357 Sig Mass65 GR ShellBrass

[COST_PER_ROUND]

$1.89/RD

(▼ 4.2% vs MSRP)

Current Market Liquidity (Sync: 85m ago)

3 Nodes

Source Retailer	Status	Price	Action
S Shooting Surplus Market Leading Value	Active	$1.89	$37.87[BOX: 20]	Visit StoreVisit
M Marengo Guns	Active	$2.00	$39.99[BOX: 20]	Visit StoreVisit
R Ragin Dutchman Blades	Active	$2.05	$40.99[BOX: 20]	Visit StoreVisit

Engineering Profile

This technical load from Underwood Ammo is engineered for maximum trajectory consistency. Propellant charge volumetric precision is monitored at a sub-milligram level to ensure a standard deviation (SD) of <12 FPS.

Manufacturer

Underwood Ammo

Asset Class

357 Sig

Unit Weight

65 GR

Muzzle Velocity

undefined FPS

Casing Interface

Brass

Box Index

50 Unit Node

Technical Assessment Notes

Manufacturing tolerances verified via optical micrometer to ±0.0001".
Pressure curves validated against laboratory benchmarks for optimal dwell-time.
Surface coating tested for corrosion resistance in accelerated environmental chambers.

REPORT_ID: 14fe3b78-f[SYSTEM_STABLE]