Rock Island Armory145480412
Armscor Rock Rocki 51857 Ultra Cco 45 5 7R Blk$597.96
Availability: In Stock
The Rock Island Armory Rock Ultra CS-L is a compact 45 ACP 1911 built for shooters who want genuine stopping power in a carry-friendly package. This is a true single-stack .45, not a modern polymer design—it's rooted in the proven 70-series 1911 architecture with an aluminum frame that shaves weight without sacrificing reliability. At 1.72 pounds and just 7.34 inches overall, it's a serious defensive pistol that stays manageable in appendix or waistband carry, and it's Maryland compliant if that matters where you operate.
Rock Island has equipped the Ultra CS-L with practical, real-world features that work the first time you press the trigger. The 3.7-inch button-rifled barrel and full-length guide rod ensure consistent point-of-impact and longevity. You get a fiber optic front sight paired with an MPS1 adjustable rear sight—both setup to help you hit what matters. The trigger breaks at 4 to 6 pounds with an adjustable overtravel screw, so you can dial in the exact break you prefer. G10 grips give you a secure, aggressive purchase in any condition, and the parkerized slide paired with black anodized frame delivers a toughened finish that handles daily carry and range time without fussing.
This is a gun for concealed carry, personal protection, and precision range work. If you've been hunting for a carry .45 that doesn't require you to learn a new manual-of-arms, the Ultra CS-L speaks the language every 1911 shooter already knows. Seven rounds in the magazine—all you need, but meaningful for a defensive round.
| Brand | Rock Island Armory |
| Model | Rock Ultra CS-L |
| Caliber | 45 ACP |
| Capacity | 7 rounds |
| Barrel Length | 3.70 inches |
| Overall Length | 7.34 inches |
| Overall Height | 5.08 inches |
| Overall Width | 1.34 inches |
| Weight | 1.72 lbs |
| Frame Material | Aluminum |
| Slide Finish | Black Parkerized |
| Frame Finish | Black Anodized |
| Front Sight | Fiber optic, dovetail mounted |
| Rear Sight | MPS1 adjustable |
| Grips | G10 |
| Trigger Pull | 4–6 lbs (adjustable overtravel) |
| Action | Semi-automatic |
| Safety | Thumb safety |
Yes. At 7.34 inches overall and 1.72 pounds, the Ultra CS-L is compact and lightweight enough for daily IWB or appendix carry. The aluminum frame keeps weight down, and the 45 ACP round is a proven defensive choice.
Both. The trigger features an adjustable overtravel screw so you can fine-tune the break, and it ships with a 4–6 pound pull. The MPS1 rear sight is adjustable for windage and elevation.
The Ultra CS-L includes a fiber optic front sight mounted on a dovetail cut and an MPS1 adjustable rear sight. Both are designed for fast sight acquisition in low light and precision at distance.
Yes, the Rock Ultra CS-L meets Maryland regulations.
SKU: 145478562 • Weight: 3oz
Availability: In Stock
The Rock Island Armory Rock Ultra CS-L is a compact 45 ACP 1911 built for shooters who want genuine stopping power in a carry-friendly package. This is a true single-stack .45, not a modern polymer design—it's rooted in the proven 70-series 1911 architecture with an aluminum frame that shaves weight without sacrificing reliability. At 1.72 pounds and just 7.34 inches overall, it's a serious defensive pistol that stays manageable in appendix or waistband carry, and it's Maryland compliant if that matters where you operate.
Rock Island has equipped the Ultra CS-L with practical, real-world features that work the first time you press the trigger. The 3.7-inch button-rifled barrel and full-length guide rod ensure consistent point-of-impact and longevity. You get a fiber optic front sight paired with an MPS1 adjustable rear sight—both setup to help you hit what matters. The trigger breaks at 4 to 6 pounds with an adjustable overtravel screw, so you can dial in the exact break you prefer. G10 grips give you a secure, aggressive purchase in any condition, and the parkerized slide paired with black anodized frame delivers a toughened finish that handles daily carry and range time without fussing.
This is a gun for concealed carry, personal protection, and precision range work. If you've been hunting for a carry .45 that doesn't require you to learn a new manual-of-arms, the Ultra CS-L speaks the language every 1911 shooter already knows. Seven rounds in the magazine—all you need, but meaningful for a defensive round.
| Brand | Rock Island Armory |
| Model | Rock Ultra CS-L |
| Caliber | 45 ACP |
| Capacity | 7 rounds |
| Barrel Length | 3.70 inches |
| Overall Length | 7.34 inches |
| Overall Height | 5.08 inches |
| Overall Width | 1.34 inches |
| Weight | 1.72 lbs |
| Frame Material | Aluminum |
| Slide Finish | Black Parkerized |
| Frame Finish | Black Anodized |
| Front Sight | Fiber optic, dovetail mounted |
| Rear Sight | MPS1 adjustable |
| Grips | G10 |
| Trigger Pull | 4–6 lbs (adjustable overtravel) |
| Action | Semi-automatic |
| Safety | Thumb safety |
Yes. At 7.34 inches overall and 1.72 pounds, the Ultra CS-L is compact and lightweight enough for daily IWB or appendix carry. The aluminum frame keeps weight down, and the 45 ACP round is a proven defensive choice.
Both. The trigger features an adjustable overtravel screw so you can fine-tune the break, and it ships with a 4–6 pound pull. The MPS1 rear sight is adjustable for windage and elevation.
The Ultra CS-L includes a fiber optic front sight mounted on a dovetail cut and an MPS1 adjustable rear sight. Both are designed for fast sight acquisition in low light and precision at distance.
Yes, the Rock Ultra CS-L meets Maryland regulations.
SKU: 145478562 • Weight: 3oz