Sig Cross Magnum Prefit Barrels
Original price was: $789.00.$699.00Current price is: $699.00.
Now Available!
Get your Sig Magnum the barrel it deserves! Our state of the art CNC cut the tightest tolerances ensuring no question that this is an accurate platform! Let us use the match grade barrels we are known for and show your buddies how good you can really shoot!
These are all required to be shouldered barrels! We will need your extension and bolt sent in and used to fit and headspace the barrel, unless you ordered the extension.
Lead times are still difficult to predict. Since this is a custom made to order product, orders may take 8-10 weeks or longer, but some may ship sooner.
Description
Get ready to elevate your shooting game with Sig Cross Magnum pre-fit barrels! These custom-made barrels are built for serious shooters who demand performance, precision, and accuracy. Whether you’re at the range or out in the field, these barrels deliver consistent, match-grade results you can rely on.
Each barrel is designed for a perfect fit, eliminating the need for gunsmithing. That means no more guesswork—just a quick, easy installation that saves you time and effort. Simply drop it in and you’re good to go!
Choose from premium stainless steel or lightweight carbon fiber options. Both provide excellent durability and performance.
Not only do these pre-fit barrels improve your accuracy, but they also enhance your overall shooting experience. You’ll feel the difference with every pull of the trigger.
So, why settle for factory performance when you can upgrade to a barrel that’s built to perform? Make every shot count. Because with Sig Cross, success is built one shot at a time.
David Daily (verified owner) –
I’m extremely pleased, I had my rifle upgraded with a custom Shilen barrel in 300 Prc, now I’m shooting 3/8” groups.
Thanks SJA
Christine Miller (store manager) –
Thank you so much for sharing your experience! We’re thrilled to hear your 300 PRC upgrade with the Shilen barrel is performing so well — 3/8” groups is fantastic shooting! It was a pleasure working with you on your build, and we’re glad you’re seeing the results you wanted. Thanks again for choosing Straight Jacket Armory!
Cody Smith (verified owner) –
I’ve worked with Nick a few times over the years and recently had him spin up a 24″ Proof carbon barrel for a custom 338 cartridge I developed for a Sig Sawtooth Magnum. I can’t say enough for the work that SJA does as it far exceeds top notch. The rifle weighs 12.6 lbs with a US Optics LR-25 and ABS Reaper suppressor. As load development is solidified for the cartridge, I’ll update with the capabilities and photos.
Christine Miller (store manager) –
Thank you so much for the kind words and for trusting Nick and the SJA team with such a unique and exciting build. We truly appreciate the opportunity to work on a custom cartridge project like this, and it means a lot to hear that our work met—and exceeded—your expectations. That Sawtooth Magnum setup sounds like an incredible rifle, and we’re honored to have been a part of it. We’re looking forward to seeing how the load development comes together and would love to see the photos and results when you’re ready to share. Thanks again for your continued support and confidence in Straight Jacket Armory.
Steve Dinkelacker (verified owner) –
Replaced the stock magnum barrel with a beautiful SJA fast spiral, heavy Palma barrel. The accuracy and precision increased tremendously. Since I was replacing the barrel, I changed calibers from 300 WinMag to 300 PRC. My only complaint is that I have major problems with failures to load. The standard sig mag is supposed to, and does, hold 6 rounds. However, the first 3 rounds jam and won’t chamber. Sig won’t do anything because the barrel is aftermarket. SJA didn’t have a suggestion other than ask Sig. I’m left with trying to modify the magazine to change the angle of the rounds.
A real bummer. I had high hopes for this rifle.The barrel performance is phenomenal. The barrel appearance is phenomenal. The functionality with the magazine and rounds is not.