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The Samson Evolution Series features a free-floating AR-15 rail system. Being lightweight and durable allows the Samson Evolution Series to offer the perfect upgrade for 3-Gun competition shooting, law enforcement and military personnel or weekend enthusiasts. Accessory picatinny rails can be added or removed at any of 7 positions around the rail and any place along the length of the tube. Rail accommodates most piston systems.
Standard Evolution Series Includes: Thermal bushings, Two (2) 2" accessory rail kits, One (1) 4" accessory rail kit and wrenches.
KeyMod versions of the Evolution Series do not include accessory rails.
Features:
- Free-float
- Thermal bushings clip to any Mil-spec barrel nut
- Relieved for most gas piston systems
- No need to remove front sight base
- Rail includes integrated anti-rotation tabs
- 1913 Picatinny Mil-spec
- Precision laser engraving
- Forms continuous top rail
- Made in New Hampshire USA
- Material: 6061-T6 aluminum
- Finish: MIL-A-8625 type III class 2 anodizing
| Model | Length (in) | Attachment | Gas System Length | Weight (oz) | ID (in) | OD (in) |
| EVO 7 | 7.00 | Evolution | Carbine | 7.90 | 1.56 | 1.80 |
| EVO 7.6 | 7.60 | Evolution | Low Profile Gas Block | 8.20 | 1.56 | 1.80 |
| EVO 9 | 9.00 | Evolution | Mid | 9.30 | 1.56 | 1.80 |
| EVO 10 | 10.00 | Evolution | Low Profile Gas Block | 10.50 | 1.56 | 1.80 |
| EVO 11 | 11.00 | Evolution | Low Profile Gas Block | 10.50 | 1.56 | 1.80 |
| EVO 12.37 | 12.37 | Evolution | Rifle | 11.50 | 1.56 | 1.80 |
| EVO 15 | 15.00 | Evolution | Low Profile Gas Block | 13.40 | 1.56 | 1.80 |
| EVO-KM-7 | 7.00 | KeyMod | Carbine | 7.30 | 1.56 | 1.80 |
| EVO-KM-7.6 | 7.60 | KeyMod | Low Profile Gas Block |
7.90 | 1.56 | 1.80 |
| EVO-KM-9 | 9.00 | KeyMod | Mid | 8.70 | 1.56 | 1.80 |
| EVO-KM-10 | 10.00 | KeyMod | Low Profile Gas Block |
9.30 | 1.56 | 1.80 |
| EVO-KM-11 | 11.00 | KeyMod | Low Profile Gas Block |
9.90 | 1.56 | 1.80 |
| EVO-KM-12.37 | 12.37 | KeyMod | Rifle | 10.90 | 1.56 | 1.80 |
| EVO-KM-15 | 15.00 | KeyMod | Low Profile Gas Block |
12.80 | 1.56 | 1.80 |
