Speer Lawman Training Clean-Fire .357 Sig 125gr TMJFN 1350 fps - 50 Rounds

If you train at indoor ranges or prioritize a cleaner shooting environment, Speer Lawman Training Clean-Fire .357 Sig ammunition delivers the low-lead or lead-free primers you need without compromising reliability. This 125-grain load launches at 1350 fps and uses Speer's Total Metal Jacket (TMJ) bullet design—a construction where the lead core is completely enclosed so unburned particles don't escape the base of the bullet. That matters indoors: it means less lead dust in the air, on your gear, and in the ventilation system, making it a practical choice for shooters who spend serious time at indoor facilities.

The Lawman line has long been the workhorse of training ammo—affordable, consistent, and reliable enough for function testing, skill drills, and high-volume practice days. The clean-fire primer formulation (no lead, barium, or antimony) keeps your range air quality higher, your cleanup faster, and your conscience clear if you're shooting where ventilation is limited. You get 50 rounds per box, so you can stock up for a training session without breaking the budget.

.357 Sig ballistics can feel snappy in lighter frames, but Lawman's energy levels keep recoil predictable for follow-up shots during drills. If you're zeroing optics, testing loads in a carry gun, or just want to put rounds downrange at an indoor facility without worrying about lead exposure, this round earns its place in your ammo can.

Key Features

• Clean-fire primer formulation—no lead, barium, or antimony for reduced airborne contaminants
• Total Metal Jacket (TMJ) bullet with fully encased lead core minimizes lead dust and powder residue
• 1350 fps velocity balances manageable recoil with reliable terminal performance
• 50-round box ideal for training sessions and high-volume practice
• Speer quality control and consistency you can count on for defensive and training use

Specifications

Caliber	.357 Sig
Bullet Weight	125 grains
Bullet Type	Total Metal Jacket (TMJFN)
Velocity	1350 fps
Round Count	50 rounds
Primer Type	Clean-Fire (lead, barium, and antimony free)

Frequently Asked Questions

Is this ammunition suitable for indoor range training?

Yes. The clean-fire primer and fully encased TMJ bullet design specifically reduce airborne lead and powder residue, making it an ideal choice for indoor facilities with limited ventilation. Many shooters choose Lawman ammunition to minimize exposure concerns during regular training sessions.

What does the TMJ bullet design do?

The Total Metal Jacket completely encloses the lead core, preventing lead particles from escaping the base of the bullet when powder gases ignite. This containment reduces lead dust at the range and keeps your firearm cleaner over time.

Will this work in my .357 Sig handgun?

This ammunition is loaded for .357 Sig caliber firearms. Always verify your firearm's chamber marking before loading. If you're unsure of your gun's caliber, consult the manual or ask at the counter.

Is Lawman ammunition reliable enough for carry or defensive use?

Lawman is marketed as training ammunition. While it's manufactured to Speer's quality standards, ammunition selection for defensive purposes should be based on your specific firearm's performance and testing. Consult your firearm's manual and consider dedicated defensive loads for carry use.