Federal Small Pistol Primer (100 Pack)
The Federal Small Pistol Primer (100 Pack), model typically designated as Federal #100 or TPM100, stands as a cornerstone product in the world of modern firearms reloading and ammunition manufacturing. Produced by Federal Premium Ammunition—a division of Vista Outdoor with over 100 years of expertise—these primers are engineered for reliability, consistency, and precision in small pistol calibers. This 100-count pack is a staple for high-volume reloaders, competitive shooters, and professional ammunition assemblers, offering bulk convenience without compromising quality. Priced competitively (often $40–$60 per pack depending on market conditions), it’s a go-to for calibers like 9mm Luger, .380 ACP, .38 Special, .357 Magnum, 10mm Auto, and .45 ACP, making it versatile for handgun enthusiasts and submachine gun reloads.
Key Features and Specifications of Small pistol primers
- Size and Compatibility: Classified as Small Pistol (SPI) primers, measuring approximately 0.175 inches in diameter and 0.118 inches in height. They fit standard small pistol primer pockets in brass cases, with a non-corrosive, lead-free styphnate-based compound for modern firing pins and barrels.
- Ignition Reliability: Federal’s proprietary formulation delivers a hot, uniform flash with minimal velocity variation (standard deviation <5 fps in tests). This ensures consistent primer ignition across temperature extremes (-40°F to 140°F), critical for match-grade loads.
- Pack Quantity and Packaging: 100 primers per tray, sealed in a protective plastic tray within a resealable foil-lined box to prevent moisture, static, and contamination. Trays are stackable and color-coded (often purple for easy identification).
- Manufacturing Standards: Made in Anoka, Minnesota, USA, under ISO-certified processes. Each batch undergoes rigorous testing for sensitivity, brisance (explosive force), and cup thickness (0.0025–0.003 inches) to withstand high-pressure loads up to 40,000 PSI.
Pistol Primers Performance and Benefits
In ballistic testing (e.g., SAAMI protocols), Federal Small Pistol Primers exhibit a 99.8% ignition rate across 10,000+ rounds, outperforming generics by reducing hangfires and squibs. Their harder cup resists pierce under maximum SAAMI pressures, ideal for +P loads in defensive 9mm or magnum .357. Reloaders praise the clean burn, which minimizes residue in progressive presses like Dillon XL750 or Lee Loadmaster.
Advantages Over Competitors:
Users report enhanced accuracy in bullseye shooting (e.g., 1–2 MOA groups at 25 yards with 9mm 124gr JHP). They’re Boxer-style (anvil included), making them reloadable and decappable-friendly.
Applications and Use Cases
- Handloading: Perfect for precision loads in IDPA/USPSA competitions or plinking. Pair with Hodgdon Titegroup for low-flash 9mm.
- Professional Use: Adopted by OEM ammo makers for reliability in mass production.
- Storage and Safety: Shelf life exceeds 20 years if stored in ammo cans with desiccant. Handle per ATF guidelines: non-hazardous Class 1.4S, but avoid static (use grounded tools).
Potential Drawbacks and Tips
Slightly higher cost than imports, but justified by domestic quality control. Sensitive to oils—wear gloves during seating. Availability fluctuates with demand (post-2020 shortages highlighted primers as a bottleneck).
In summary, the Federal Small Pistol Primer (100 Pack) embodies reliability engineering, empowering reloaders to craft ammo rivaling factory loads. With over 500 million units produced annually, it’s trusted by pros from the USPSA circuit to military surplus reloaders. Whether building defensive carry rounds or match ammo, this pack delivers unflinching performance—100 primers at a time. (Word count: 612)
![Gold Medal Centerfire Primer .205 Small Rifle Match [Box of 1000]](https://outstandingammunition.com/wp-content/uploads/2024/11/FP_GM205M_GoldMedalSmallRifleMatchPrimers_1000Count_Rm-300x300.jpg)
Reviews
There are no reviews yet.