Finally, fewer block-related complications were observed with single-shot ACB, with an OR (95% CI) of 0.24 (0.14 to 0.41) (p=0.002). Conclusions: Our results suggest that continuous catheter-based ACB does not enhance or prolong the analgesic benefits when compared with single-shot ACB for TKA over the first 48 hours postoperatively. Overall 2464 posts · Joined 2012. #12 · Dec 10, 2020. Agree you are limited to shooting singles and handicap with a single barrel while an O/U offers more versatility. I own single barrel trap guns and O/Us and like both but if I had to select one it would be an O/U. Reply Quote. The difference between the two: Double Taps- the second shot is taken as soon as sights settle back on target; a Controlled Pair- two aimed shots, (just taken as fast as one can), with deliberate aiming in between. When to employ either one should be based on the distance to the threat. (Which ever method ensures getting two hits into the threat). The term “double-shot” refers to the process through which keycaps are made. (This process has been around since the 1970s!) Plastic is “shot” (or injected) in two different molds during construction. The first piece of plastic is the keycap with a hollow legend. The second piece is transparent and includes the legend. Advertisement There’s an old saying that goes, “Beware the man with only one rifle; he probably knows how to use it.” Taking that a step further, I’d say there’s little question he’s proficient with the rifle if it’s a single-shot. Once the norm before disappearing into near obscurity in the early 1900s, single-shot rifles have enjoyed a resurgence over the past few decades, with ABS keycaps can be single shot, meaning only one layer of plastic is used which can make them significantly lighter and less expensive. They can also be made as double shot keycaps where two layers of plastic are used. Both single shot and double shot keycaps can be designed for RGB keyboards, designed for non-backlit keyboards, or work well on SNg20R.

single shot vs double shot