SIG Sauer MCX Rattler PSB .300 Blackout Blue/Black Pistol
Capacity: 30+1 · Barrel Length: 5.5 inches
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Specifications
Grip Polymer
Action Semi-Automatic
Finish Blue/Black
Sights Standard Sights
Weight 5.1 pounds
Capacity 30+1
Grip Safety No
Optic Ready Yes
Barrel Length 5.5 inches
Manual Safety Yes
Overall Length 19.3 inches
Trigger Safety No
Caliber / Gauge .300 Blackout
Threaded Barrel Yes
Magazines Included 1
Ambidextrous Safety Yes
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
Description
Product Overview
The SIG Sauer MCX Rattler PSB is a compact .300 Blackout pistol built around the modular MCX platform. Its 5.5-inch PDW barrel and three-position telescoping pistol stabilizing brace provide a short, maneuverable configuration suited to transport and close-quarters handling. The M-LOK handguard offers flexible accessory placement, while the full-length top rail supports the addition of an optic. An ambidextrous manual safety, standard sights, and a 30+1 capacity round out the practical controls and handling features.
Key Features
- Chambered in .300 Blackout for a compact, versatile pistol platform
- 5.5-inch PDW barrel with a fast 1:5 twist rate
- Three-position telescoping pistol stabilizing brace improves support and handling
- M-LOK handguard provides flexible accessory mounting
- Threaded 5/8x24 barrel fitted with a 3-prong flash hider
- Ambidextrous manual safety supports accessible operation from either side
The MCX Rattler PSB combines compact dimensions, modular controls, and .300 Blackout capability in a highly maneuverable SIG Sauer pistol.
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4.9 | 9 Reviews
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- SKU:
- PMCX300B5BTAPPSB
- UPC:
- 798681581306
- BUDS ID:
- 45232
Compatible Ammo
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Customer Reviews
4.9 out of 5
9 total reviews
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Latest Reviews
Geoffrey E.
4 years ago
Verified Purchaser
TL;DR: Great weapon....
TL;DR: Great weapon. Get one once prices return to "normal". Full review: I got this before Pandemic pricing ($2,100 and change) and blackout ammo prices made one want to get black-out drunk. That being said, this is by far my favorite weapon in the safe. She's tight, compact and man, can she rock! You really do need to hold this to appreciate just how tight a package it is. You need to fire it to appreciate just how far it can reach out and touch someone. We're talking accuracy at LEAST as good as a 16" AK out to 150-200yrds, but from a 5.5" barrel. Admittedly though, this is a gun for short range/home defense work. So yes, it *can* reach out and deliver a strong and accurate punch (far beyond what a 5.56 out of a 5-10in barrel can), but up close is where it shines and easily blows away any other PCC/RCP's. If you're not worried about them wearing plates and vests that is. Although, .300blk subsonic ball ammo does have some "interesting" capabilities re: soft armor and lighter BP/BR glass... Being a short-stroke gas piston, it runs cleaner than a DI. I've had range sessions in the desert of over 1K rounds (again, pre-pandemic price/muppetry) both supressed and not, and had zero issues. Clean your gear guys. It is a bit heavy, but it snugs up soooo good and it just eats recoil. I have mine loaded with gold dot 210gr BSP subonics and a CSG Mod9-SK to eat the flash and (maybe) save the ears as my home defense gun. It makes a great vehicle/hiking gun. Although again, it is a bit heavier than other options, the sheer power of it is a worthwhile trade IMHO. Hopefully prices return to normal one day. If you can score one for under $2,500, do it!
Brandon B.
4 years ago
Verified Purchaser
Outstanding gun....
Outstanding gun. Prices are ridiculous now. Was a great buy at $2,000
Michael D.
6 years ago
Verified Purchaser
Compact but seems a...
Compact but seems a bit on the heavy side. Ideally you should add a silencer. The adjustable gas system definitely adds some versatility on round choices. Very accurate for a short barrel. The only drawback is the price.
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Retail Availability
Bud's Gun Shop - Lexington, KY
1105 Industry Road, Lexington, KY 40505
Bud's Gun Shop - Sevierville, TN
2270 Two Rivers Blvd, Sevierville, TN 37876
Uncle Lee's - Greenville, KY
820 Main St, Greenville, KY 42345
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| Action | Semi-Automatic | Semi-Automatic | Semi-Automatic | Semi-Automatic | Semi-Automatic |
| Barrel Length (in.) | 5.5 | 7.0 | 7.0 | 7.0 | 7.0 |
| Caliber / Gauge | .300 Blackout | .300 Blackout | .300 Blackout | .300 Blackout | .300 Blackout |
| Capacity | 30 | 30 | 30 | 30 | 30 |
| Finish | Blue/Black | Blue/Black | FDE/Tan | Cobalt Cerakote | Black |
| Manual Safety | Yes | Yes | Yes | Yes | Yes |
| Optic Ready | Yes | Yes | Yes | Yes | Yes |
| Overall Length (in.) | 19.3 | 20.75 | 20.75 | 20.75 | 25.75 |
| Threaded Barrel | Yes | Yes | Yes | Yes | Yes |
| Weight (lbs) | 5.1 | 5.7 | 5.7 | 5.7 | 4.3 |
| Ambidextrous Safety | Yes | No | Yes | No | Yes |
| Sights | Standard Sights | Standard Sights | N/A | N/A | N/A |
| Actions | Current Item |
