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The M&P15-22 was designed to be a less expensive alternative for training with an AR-15 style rifle, as the rifle itself is much less expensive than most AR-15s, and the .22 LR ammunition is often much less expensive than the .223 Remington/5.56×45mm NATO. The rifle features a safety and bolt lock that operate just like an AR-15's.
The rifle model is based on the Colt AR-15. Smith & Wesson offers the M&P15 semi-automatic rifles in different configurations, tailored to specific shooting applications and styles. The rifle has different models that come chambered in 5.56mm NATO/.223 Remington, .22 Long Rifle, and 5.45×39mm.
Attaching the barrel to the receiver using a barrel nut and a barrel with a shoulder is an alternative to action threads, which has been used in firearms such as the Sten gun and AR-15. Hand tools Quick barrel change systems is an increasingly popular alternative, as seen in for example SIG Sauer 200 STR, Roessler Titan or Blaser R8.
This 6-shot, .357 Magnum revolver uses a unique interchangeable barrel system, including a 2.5 in (64 mm) snub nose barrel along with 4 in (100 mm), 6 in (150 mm), 8 in (200 mm), 10 in (250 mm), 12 in (300 mm), and 15 in (380 mm), partial or fully-lugged shrouds with choices of solid or ventilated ribs, plus removable and interchangeable front ...
The metal shroud underneath the barrel of a revolver that surrounds and protects the extractor rod. The two types of underlugs include half-lug, meaning the shroud does not run the entire length of the barrel but instead is only as long as the extractor rod, and full-lug, meaning the shroud runs the full length of the barrel.
The 15-2 used a roll pin inserted into the frame as a centering dowel combined with a precisely drilled hole in each shroud assembly to facilitate proper shroud centering and alignment, thus eliminating the need for flanged barrel shrouds. The 15-2 introduced more barrel and shroud options, including barrel/shroud lengths of 2.5, 4, 6, 8, 10 ...
The Smith & Wesson M&P22 is a semi-automatic pistol chambered in .22 Long Rifle. It is hammer-fired and blowback-operated, and differs from the centerfire M&P variants, which are striker-fired and recoil-operated.
Fitz Special. John Henry Fitzgerald, an employee of Colt Firearms from 1918 to 1944, first came up with the Fitz Special snubnosed revolver concept around the mid 1920s, when he modified a .38 Special Colt Police Positive Special revolver, [5] by shortening the barrel to two inches (5.1 cm), shortening the ejector rod, bobbing the hammer spur, rounding the butt, and removing the front half of ...