PTR 63
PTR Industries · Rifle · In Production · 2024
Also known as: PTR-63
Overview
The PTR 63 is PTR Industries' 5.56x45mm NATO roller-delayed blowback rifle, bringing the H&K HK33/53-pattern roller-locked action to the AR-magazine ecosystem. It feeds from standard AR-pattern/STANAG 30-round magazines, uses an AR-style trigger grip housing for compatibility with common AR accessories, and mounts a PTR HG7 mil-spec aluminum M-LOK handguard. The 16.5-inch barrel features a 1:7 twist threaded 1/2x28 and a 6.9-inch welded steel Picatinny rail. It bridges classic roller-delayed performance with contemporary AR-compatible ergonomics.
Specifications
| Weight (empty) | 3856 g (136.0 oz) |
| Overall Length | 978 mm (38.50") |
| Barrel Length | 419 mm (16.50") |
| Action Type | Roller Delayed Blowback |
| Firing Mechanism | Hammer Fired |
| Trigger Type | Single Stage |
| Magazine Capacity | 30 rounds |
| Magazine Type | Detachable Box |
| Muzzle Velocity | 900 m/s (2953 fps) |
| Muzzle Energy | 1700 J (1254 ft·lbf) |
| Effective Range | 400 m (437 yd) |
| Maximum Range | 600 m (656 yd) |
| Barrel Rifling | Right Hand |
| Rifling Twist | 178 mm (7.01") |
| Number of Grooves | 6 |
| Frame Material | Stamped Steel |
| Barrel Material | Chrome Moly Steel |
| Stock Material | Polymer |
| Finish | Powder Coat |
Calibers
- 5.56x45mm NATO · primary · 5.56 NATO — also known as .223 Remington, 5.56x45mm
Features
- Firing modes: Semi Automatic
- Feed systems: Detachable Box Magazine
- Safety mechanisms: Manual Safety Selector
- Features: Roller Delayed Blowback, Stamped Steel Receiver, Fluted Chamber, Ar Magazine Compatible, Ar Style Grip Housing, Mlok Handguard, Steel Picatinny Rail, Threaded Muzzle, Made In Usa
Service history
Operators
- US civilian market · adopted 2024
Production
Production years: 2024-present
Origin
Country of origin: United States
Notes
MSRP approximately $1,799. SKU references PTR-63. AR-pattern/STANAG magazine compatible; AR-style grip housing. Ships with two magazines and cable lock. Trigger pull 9-10 lbs. As of mid-2026 introduction stock was limited.
Background
Conceptually a modern HK33/53 in roller-delayed 5.56, the PTR 63 is one of the only American-built roller-locked rifles to natively accept AR-15 magazines, blending German operating heritage with US AR-standard logistics.