9mm BOLT CARRIER GROUP STD
August 6, 2025
MAXIM BRAND T-SHIRT
September 25, 2025
SDX RFLX – PISTOL
Firearms Built to Order.
Estimated Lead Time is 4-6 Weeks.
$3,695.00
SDX RFLX - Pistol
Meet the new SDX RFLX Pistol, our compact, integrally suppressed, AR pistol platform designed to deliver exceptional sound suppression, control, and maneuverability. Chambered in .300 BLK and equipped with our specifically engineered over-the-barrel, RFLX suppressor, this system delivers 129 dB suppressed sound levels, while wrapping back over the 8.5" barrel for optimal balance and minimal added length.
Outfitted with our M-LOK™ compatible SDX 2-Piece Handguard, a full-length 1913 top rail, and available in CQB (Gen:6 CQB Pistol Brace), and Carbine (SBA5 Pistol Brace) variants, the SDX RFLX Pistol is perfect for those looking for superior sound suppression, exceptional handling and rugged durability in one tight, streamlined package.
NEW, SLEEK, AND INSANELY QUIET, THE SDX RFLX HAS REDEFINED SUPPRESSED AR PLATFORMS.
SDX508 Platform
| Caliber: |
.300BLK
|
| Barrel Length: |
8.5 inches
|
| Overall Collapsed Length : | CQB: 30.125 inches / SBA5: 32 inches |
| Overall Extended Length : | CQB: 34 inches / SBA5: 35.5 inches |
| Weight: |
CQB: 8lbs .5oz / SBA5: 7lbs 13oz
|
| Trigger: | ALG Combat |
| Stock/Brace Options: | Maxim Defense GEN:6 CQB Pistol Brace / SBA5 Pistol Brace | Material Composition: | 17-4 Stainless Steel, 7075 / 6061 Aluminum |
| Finish: |
Type III Hard coat anodize
|
rflx suppressor
| Overall Length: |
10.1 inches
|
| Back Over Barrel Length: |
3.09 inches
|
| Length Added to Muzzel: | 6.9 inches |
| Outer Diameter: | 1.75 inches |
| Materials: | Titanium, 17-4SS |
| Finish: | DLC (Diamond-like Coating), Cerakot |
| DB at Left Ear: |
Subsonic: 129 dB – Supersonic: 134 dB
|
| Firing Schedule: | Full Auto Rated |
At Maxim Defense, we take pride in designing and manufacturing high-performance firearms, suppressors and accessories that deliver exceptional reliability and durability. Your feedback and positive reviews are important to us, as they help us continually improve our products. If you experience any issues with your Maxim Defense products, please contact us at info@maximdefense.com, and we’ll work with you to resolve the matter as quickly as possible. Please note that we do not cover damage caused by the installation of other manufacturers’ products.
Meet the new SDX RFLX Pistol, our compact, integrally suppressed, AR pistol platform designed to deliver exceptional sound suppression, control, and maneuverability. Chambered in .300 BLK and equipped with our specifically engineered over-the-barrel, RFLX suppressor, this system delivers 129 dB suppressed sound levels, while wrapping back over the 8.5″ barrel for optimal balance and minimal added length.
Outfitted with our M-LOK™ compatible SDX 2-Piece Handguard, a full-length 1913 top rail, and available in CQB (Gen:6 CQB Pistol Brace), and Carbine (SBA5 Pistol Brace) variants, the SDX RFLX Pistol is perfect for those looking for superior sound suppression, exceptional handling and rugged durability in one tight, streamlined package.
NEW, SLEEK, AND INSANELY QUIET, THE SDX RFLX HAS REDEFINED SUPPRESSED AR PLATFORMS.
| Configuration | Pistol |
|---|---|
| Barrel Length | 8.5" |
| Caliber | .300 BLK |
| Color | Arid, Black |
| Stock/Brace Option | |
| Trigger | ALG Trigger |
| Thread Pitch | 5/8-24 |
| Twist Rate | 1/7 Twist |
| Material Composition | 17-4 Stainless Steel, 7075 and 6061 Aluminum |
| Finish | Type III Hard Coat Anodize |
| Suppressor Overall Length | 10.1 in |
| Suppressor Outer Diameter | 1.75 in |
| Suppressor Length Added to Muzzle | 6.9 in |
| Suppressor Back Over Barrel Length | 3.09 in |
| Suppressor Material Composition | Titanium, 17-4 Stainless Steel |
| Suppressor Finish | DLC, Cerakot |
| Suppressor dB at Left Ear | Subsonic: 129 dB |
| Suppressor Firing Schedule | Full Auto Rated |
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