Description
The G2 Research Civic Duty 45 ACP 164gr load, item G00617, is a 20 round box of 45 ACP ammunition from G2 Research, loaded with a 164 grain solid copper Civic Duty expanding bullet. It brings the expanding Civic Duty design to the classic 45 caliber pistol cartridge.

G2 Research Civic Duty 45 ACP 164gr Overview
The 45 ACP has a long history as a defensive cartridge, built on big, slow bullets. Most 45 ACP loads use bullets of 185 to 230 grains, while this Civic Duty round uses a lighter 164 grain solid copper bullet built to expand quickly and stop within a controlled depth. G2 Research developed Civic Duty for settings where over-penetration is a real concern, such as homes and apartments. Because the bullet is machined from copper, it is longer than a lead-core bullet of the same weight and holds together as it expands rather than shedding a jacket or core.
How the Civic Duty Bullet Works
The Civic Duty bullet takes the trocar nose of the G2 Research R.I.P. and adapts it to an expanding design. Instead of shedding petals, it opens to about 2.5 times its original diameter after entering a fluid medium and holds together. G2 Research reports that it retains 99.9 percent of its weight and lists 6 to 8 inches of penetration for this caliber, a depth chosen to transfer energy to the target without the over-penetration concerns of many bonded hollow points in close-quarters settings.

Barrier Performance
G2 Research says Civic Duty defeats barriers about as well as the R.I.P., thanks to the same machined trocar nose. Heavy clothing, drywall and similar obstacles are the usual tests for a defensive load, and a solid copper bullet cannot shed a jacket or lose its core when it meets them. Controlled expansion and high weight retention make it a more conventional choice than a fragmenting round for shooters who prefer an expanding bullet.
Firearm Compatibility
This ammunition is made for handguns chambered in 45 ACP (45 Auto), including 1911-pattern pistols, the Glock 21 and 30, the SIG P220, the Springfield XD and XD-M in 45, and the Smith and Wesson M&P45. It can also be used in revolvers chambered for 45 ACP with moon clips. Do not fire it in a 45 GAP, 45 Colt or 45 Super firearm unless the manufacturer approves it. Test feeding in your pistol, as some older designs prefer round-nose profiles. One gallery photo shows the same Civic Duty projectile in 40 S&W for reference.

Lead-Free Construction
Every G2 Research Civic Duty bullet is machined from solid copper on precision equipment, so there is no lead in the projectile. That makes it a good fit for shooters who want to reduce lead exposure, and for areas where lead-free projectiles are preferred or required. The machined process also keeps weight and dimensions consistent from round to round, which helps accuracy and predictable feeding.
Recoil and Shootability
The 45 ACP is known for a push rather than a snap, and a lighter 164 grain bullet softens that push further. Most shooters find this load comfortable in a full-size steel or polymer pistol, and quick follow-up shots come easily. Practice with it so you know where it prints compared with heavier practice loads.
Practice and Testing
Defensive ammunition costs more than range ammunition, but it is worth running at least a box through your own firearm before you rely on it. Check that every round feeds from a full and nearly empty magazine, ejects cleanly and lands where you aim at typical defensive distances. Many shooters practice with less expensive loads and then confirm zero and function with the carry load a few times a year.
Storage and Care
Store ammunition in a cool, dry place in its original box, away from solvents and lubricants that can contaminate primers. Rotate carry ammunition periodically, and set aside any round with a dented case, loose bullet or signs of corrosion.
Specifications
- Brand: G2 Research
- Line: Civic Duty
- Item number: G00617
- Caliber: 45 ACP
- Bullet weight: 164 grain
- Bullet type: solid copper Civic Duty expanding
- Penetration (manufacturer): 6 to 8 inches
- Projectile: solid copper, lead-free
- Count: 20 rounds per box
- UPC: 851412006179
- Made in the USA
Before You Buy
Federal law requires buyers of handgun ammunition to be at least 21 years old when buying from a licensed dealer. Some states and cities restrict ammunition purchases, require background checks or limit shipping, so check your local rules before you order.
Who It Is For
The G2 Research Civic Duty 45 ACP 164gr is a great fit for 45 ACP owners who want a lead-free expanding defense load, home defenders concerned about over-penetration, and anyone who carries a 45 and wants a solid copper bullet that holds its weight.
Buy the G2 Research Civic Duty 45 ACP 164gr at MAG5 Firearms
MAG5 Firearms is a family-owned FFL in Collegeville, Pennsylvania. Order the G2 Research Civic Duty 45 ACP 164gr online and we will ship it to you where state and local law allow, or browse our full selection of ammunition for more handgun loads. For factory details, visit G2 Research.







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