+1-800-504-5897 Help Center Check Order Status
About Us Policies Reviews How To
FREE SHIPPING & FREE RETURNS*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

SIG SAUER Caliber Conversion Kits-with Romeo1 Reflex Sight, Gun Kit

SIG SAUER Caliber Conversion kits-with Romeo 1 reflex sight, black, 9 mm, CALX-226-9-B-RX
Caliber X-Change Kit
SIG SAUER Caliber Conversion kits-with Romeo 1 reflex sight, black, 9 mm, CALX-320CA-9-TACOPS-TB
SIG SAUER Caliber Conversion kits-with Romeo 1 reflex sight, black, 9 mm, CALX-226-9-B-RX
1 of 3 images
SIG SAUER Caliber Conversion kits-with Romeo 1 reflex sight, black, 9 mm, CALX-226-9-B-RX
Caliber X-Change Kit
2 of 3 images
Caliber X-Change Kit
SIG SAUER Caliber Conversion kits-with Romeo 1 reflex sight, black, 9 mm, CALX-320CA-9-TACOPS-TB
3 of 3 images
SIG SAUER Caliber Conversion kits-with Romeo 1 reflex sight, black, 9 mm, CALX-320CA-9-TACOPS-TB

Tap Tap to Zoom

Questions & Answers
I have a P229 with both 40 and 357 barrels. Will this slide fit my pistol? I very much want the Romeo 1. Expert Answer

Unfortunately while a .40 slide will work on a 9mm P229, the 9mm slide (such as the one that comes with the kit) will not work with the .40 barrel. The .357 option may not work either as the 9mm uses a different breech face. If you want to run the Romeo1 on your P229, you can do so by using this mount: https://www.opticsplanet.com/sig-sauer-sor11004.html?_iv_gun-model=229-1 which replaces your rear iron sight.

by Ethan C., Gear Expert, February 12, 2018
Will the P229 kit work on a M11A1 frame? Expert Answer

Unfortunately this is not compatible with the M11A1. The M11A1 is technically a P229 series frame, the P226 and P229 pistols have just enough small differences that they are not compatible.

by Ethan C., Gear Expert, January 15, 2018
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review High quality you've come to expect from Sig by Dock Dog 2, Verified Owner, March 19, 2018
It's becoming harder to rapidly acquire and align sights as my eyes age. I had hoped to sell my P 226 40 caliber and purchase a new P 226 9 mm Romeo 1 but the 40 cal resale market has dried up. I therefore opted to purchase the 9 mm Romeo conversion...
Read More...
1/1 found this helpful
Read 1 Review

Product No Longer Available

Unfortunately SIG SAUER Caliber Conversion Kits-with Romeo1 Reflex Sight, Gun Kit is not listed by OpticsPlanet.You can also explore other items in the Gun Parts yourself to try and find the perfect replacement for you!

Product Info for SIG SAUER Caliber Conversion Kits-with Romeo1 Reflex Sight, Gun Kit

The SIG SAUER Caliber Conversion Kits-with Romeo1 Reflex Sight, Gun Kit was developed in order to be the ideal product for any person in need of an outstanding option..image

These Gun Parts from the expert product specialists at SIG SAUER are designed working with dependable and dependable components, in order to supply you with a product which will be useful for countless years. Manufactured using some of the most useful available substances and design, these special Gun Parts from the product professionals at SIG SAUER can last an incredibly lengthy time.

SIG SAUER has been generating superior quality merchandise for a very long time, and the SIG SAUER Caliber Conversion Kits-with Romeo1 Reflex Sight, Gun Kit is their means of revealing exactly how much they are concerned.

Here at OpticsPlanet, we make it our responsibility to get the best solution for your specifications, and exhibiting the SIG SAUER Caliber Conversion Kits-with Romeo1 Reflex Sight, Gun Kit is one thing that we are pleased to offer.

Package Contents:

  • SIG SAUER Caliber Conversion kits-with Romeo 1 reflex sight, Gun Kit

Related Products to SIG SAUER Caliber Conversion Kits-with Romeo1 Reflex Sight, Gun Kit

Image of SIG SAUER Sig Sauer Minimalist Plus Aluminum Fits Sig MPX SIG SAUER Sig Sauer Minimalist Plus Aluminum Fits Sig MPX (9) List: $249.99 (Save 20%) $199.99 Blazin' Deal
Image of SIG SAUER Pro P320 9mm Romeo X Pro XRAY3 Sights Barrel Assembly 7 models SIG SAUER Pro P320 9mm Romeo X Pro XRAY3 Sights Barrel Assembly (8) As Low As (Save Up to 33%) $469.99 Blazin' Deal
Image of SIG SAUER Barrel, Threaded, 220, 45, Chr SIG SAUER Barrel, Threaded, 220, 45, Chr (12) List: $229.99 (Save 22%) $179.99 Blazin' Deal
Image of SIG SAUER P320/250 Compact 9 mm 4.6 in Threaded 1/2x28 Pistol Barrel SIG SAUER P320/250 Compact 9 mm 4.6 in Threaded 1/2x28 Pistol Barrel (13) List: $199.99 (Save 13%) $174.99 On Sale
Image of SIG SAUER Spectre Comp Slide Assembly P365/P365XL/P365X 9mm Luger w/ Integrated Compensator and X-Ray3 Day/Night Suppressor Sights 2 models SIG SAUER Spectre Comp Slide Assembly P365/P365XL/P365X 9mm Luger w/ Integrated Compensator and X-Ray3 Day/Night Suppressor Sights (26) As Low As (Save Up to 18%) $419.99 Blazin' Deal
Image of SIG SAUER P365-XMacro Compact 9mm Caliber X-Change Kit SIG SAUER P365-XMacro Compact 9mm Caliber X-Change Kit List: $619.99 (Save 15%) $529.99 Free 2 Day Shipping
Image of SIG SAUER P320 AXG Carry Medium Grip Modules 2 models SIG SAUER P320 AXG Carry Medium Grip Modules (31) As Low As (Save Up to 20%) $319.49 Clearance
Image of SIG SAUER MCX-Spear LT 9in 300Blk Barrel And Gas Block Assembly SIG SAUER MCX-Spear LT 9in 300Blk Barrel And Gas Block Assembly List: $899.99 (Save 15%) $766.99 Free 2 Day Shipping
Image of SIG SAUER ZEV P226 9mm Romeo 1 Pro Combat Sights Barrel Assembly SIG SAUER ZEV P226 9mm Romeo 1 Pro Combat Sights Barrel Assembly (3) List: $899.99 (Save 19%) $729.99
Image of SIG SAUER P320 X-Compact/Subcompact Threaded Pistol Barrel, 9mm Luger SIG SAUER P320 X-Compact/Subcompact Threaded Pistol Barrel, 9mm Luger (1) List: $229.99 (Save 22%) $179.99
Image of SIG SAUER Pro-Cut Slide Assembly P320 Sub-Compact/XCompact/X-Full Size 9mm Luger w/X-Ray3 Day/Night Suppressor Sights 6 models SIG SAUER Pro-Cut Slide Assembly P320 Sub-Compact/XCompact/X-Full Size 9mm Luger w/X-Ray3 Day/Night Suppressor Sights (9) As Low As (Save Up to 18%) $368.99 Blazin' Deal
Image of SIG SAUER X-Ray3 Pistol Sight Set, No. 8 Green Front, No. 8 Rear, square SIG SAUER X-Ray3 Pistol Sight Set, No. 8 Green Front, No. 8 Rear, square (17) List: $129.99 (Save 23%) $99.99 Best Rated
Image of SIG SAUER P320 X Laser-Engraved TXG Full-Size Grip Module Assembly SIG SAUER P320 X Laser-Engraved TXG Full-Size Grip Module Assembly (10) List: $299.99 (Save 14%) $256.99 Free 2 Day Shipping
Image of SIG SAUER P229-1 9mm Luger Threaded Barrel 2 models SIG SAUER P229-1 9mm Luger Threaded Barrel (13) As Low As (Save Up to 22%) $179.99 Blazin' Deal
Image of SIG SAUER P226 9 mm Threaded Barrel SIG SAUER P226 9 mm Threaded Barrel (38) List: $229.99 (Save 13%) $199.99 Free 2 Day Shipping
Image of SIG SAUER X-Ray3 Pistol Sight Set, No. 6 Green Front, No. 8 Rear, square SIG SAUER X-Ray3 Pistol Sight Set, No. 6 Green Front, No. 8 Rear, square (16) List: $134.99 (Save 26%) $99.99 Best Rated
Image of SIG SAUER P320 X Compact/Subcompact 9mm Threaded Barrel, No LCI, 4.3in SIG SAUER P320 X Compact/Subcompact 9mm Threaded Barrel, No LCI, 4.3in (7) List: $214.99 (Save 16%) $179.99 Blazin' Deal
Image of SIG SAUER 9mm TXG X-Series P320 Grip Module 2 models SIG SAUER 9mm TXG X-Series P320 Grip Module (12) As Low As (Save Up to 16%) $209.99 Free 2 Day Shipping
Image of SIG SAUER P320 Compact/Carry Threaded Pistol Barrel, 9mm Luger SIG SAUER P320 Compact/Carry Threaded Pistol Barrel, 9mm Luger (4) List: $229.99 (Save 17%) $189.99
Image of SIG SAUER MCX/MPX Minimalist Plus Locking Folding Stock SIG SAUER MCX/MPX Minimalist Plus Locking Folding Stock List: $249.99 (Save $3.00) $246.99
Image of SIG SAUER MCX Spear 7.62 NATO Gas Valve Threaded Barrel And Gas Block Assembly 2 models SIG SAUER MCX Spear 7.62 NATO Gas Valve Threaded Barrel And Gas Block Assembly As Low As (Save Up to 25%) $1,120.05
Image of SIG SAUER 9/40/357 P320 X-Five Grip Module SIG SAUER 9/40/357 P320 X-Five Grip Module (29) List: $139.99 $124.19 Best Rated
Image of SIG SAUER XSeries 3.9in Slide Assemblies SIG SAUER XSeries 3.9in Slide Assemblies (4) List: $699.00 (Save 14%) $598.99
Image of SIG SAUER MPX PCC 9mm Caliber Exchange Kit SIG SAUER MPX PCC 9mm Caliber Exchange Kit List: $869.99 (Save 11%) $769.99

SIG SAUER Caliber Conversion Kits-with Romeo1 Reflex Sight, Gun Kit Unavailable & Discontinued Models

List of Unorderable Models

SIG SAUER Caliber Conversion kits-with Romeo1 reflex sight, black, 9 mm, CALX-226-9-B-RX , MPN: CALX-226-9-B-RX , UPC: 798681577446 , Code: SD9-CNC-SSCCRK-CALX-226-9-B-RX-15RD
SIG SAUER Caliber Conversion kits-with Romeo1 reflex sight, black, 9 mm, CALX-229-9-B-RX , MPN: CALX-229-9-B-RX , UPC: 798681577453 , Code: SD9-CNC-SSCCRK-CALX-229-9-B-RX
SIG SAUER Caliber Conversion kits-with Romeo1 reflex sight, black, 9 mm, CALX-320CA-9-TACOPS-TB , MPN: CALX-320CA-9-TACOPS-TB , UPC: 798681577491 , Code: SD9-CNC-SSCCRK-CALX-320CA-9-TACOPS-TB
Compare (0)
1 item has been added
Add at least two items to compare