Walther M4 Carbine Tactical Rimfire .22 LR Semi-Auto, 16.1 in Threaded Barrel, NcSTAR Quad-Rail, 2x 30-Rd Mags
This Tactical Rimfire M4 Carbine is the Colt-branded .22 LR variant produced by Carl Walther in Germany and imported by Umarex USA. It carries German C.I.P. proofs with the Ulm antler and date code BA for 2010, plus matching serials on the receiver and bolt. A flat-top Picatinny upper, A2 front sight base, threaded muzzle with flash suppressor, and an aftermarket NcSTAR carbine-length quad-rail handguard round out a well-equipped rimfire carbine. It comes with two 30-round magazines and shows an excellent bore.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There is mild evidence of use with some light carbon buildup. The rifle is in great shape overall.
What’s Included
- NcSTAR carbine-length quad-rail handguard (installed)
- Flip-up rear sight (installed)
- Two 30-round .22 LR curved rimfire magazines
Built on the AR-15 platform, this semi-automatic blowback .22 LR carbine is part of Walther’s Tactical Rimfire series and is the Colt-branded M4 configuration. It features a flat-top Picatinny upper receiver, an A2-style fixed front sight base, dust cover, and forward-assist housing.
The 16.1-inch barrel uses the series’ non-standard M8x0.75 mm muzzle threads and is fitted with a flash suppressor. A 1:13.75 twist rate supports typical .22 LR loads for this platform.
Furniture includes a collapsible stock with a 13.75-inch length of pull and an A2-style pistol grip. An aftermarket NcSTAR carbine-length quad-rail handguard is installed, and iron sights include the A2 front and a flip-up rear. Controls include a manual safety selector.
Construction is a matte black metal receiver with clear German C.I.P. proof marks, the Ulm antler, and the BA date code indicating 2010. Import markings read UMAREX USA Fort Smith/AR, with "Made by Carl Walther Germany." Matching serial numbers were observed on the receiver and bolt. Capacity is 30+1, and two 30-round magazines are included.




