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  2. Barrel threads - Wikipedia

    en.wikipedia.org/wiki/Barrel_threads

    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 .

  3. Free-floating barrel - Wikipedia

    en.wikipedia.org/wiki/Free-floating_barrel

    Thor XM408 Windrunner Blaser R93 Tactical Bor rifle. A free-floating barrel is a firearm design used in precision rifles, particularly match grade benchrest rifles, to accurize the weapon system. With conventional rifles, the gun barrel rests in contact with the fore-end of the gunstock, sometimes along the whole length.

  4. IWI Zion-15 - Wikipedia

    en.wikipedia.org/wiki/IWI_Zion-15

    The IWI US Zion-15 is an AR-15–style rifle assembled in Middletown, Dauphin County, Pennsylvania by IWI US, originally released in 2020.Marketed at a competitively low price, it is considered to be a budget or entry level rifle designed for American consumers optimized for home defense or competition, chambered in 5.56 NATO.

  5. Comparison of the AK-47 and M16 - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_the_AK-47...

    All current M16 type rifles can mount under-barrel grenade-launchers such as the M203 and M320: All current AK-47 type rifles can mount under-barrel grenade-launchers such as the GP-25 series: All current M16 type rifles can mount under-barrel 12 gauge shotguns such as KAC Masterkey or the M26 Modular Accessory Shotgun System

  6. Barrett MRAD - Wikipedia

    en.wikipedia.org/wiki/Barrett_MRAD

    When folded, the stock latches around the bolt handle which increases the security of transporting the rifle without increasing the width when it is unfolded. [1] A major MRAD feature (and requirement of the military PSR solicitation) is a field-changeable barrel/caliber capability.

  7. Tapering (firearms) - Wikipedia

    en.wikipedia.org/wiki/Tapering_(firearms)

    The American Rifle A Treatise, a Text Book, and a Book of Practical Instruction in the Use of the Rifle By Townsend Whelen · 1918. Page 134; Gun Research Declassified Visit to Mauser-Werke 2022. Page 52; The Ultimate in Rifle Accuracy By Glenn Newick · 1990; Gunsmithing at Home: Lock, Stock & Barrel - Page 79, John E. Traister · 1996

  8. Accurizing - Wikipedia

    en.wikipedia.org/wiki/Accurizing

    To put lock time and bullet dwell time in perspective; the lock time of most conventional bolt action rifles varies between 2.6 and 9.0 milliseconds, while after cartridge ignition most rifle bullets travel through a high powered rifle barrel bore in 1.0 to 1.5 milliseconds. Mechanical bolt-action rifle trigger systems with a sub 2.0 ...

  9. Springfield Armory M1A - Wikipedia

    en.wikipedia.org/wiki/Springfield_Armory_M1A

    The specially designed muzzle brake is designed to reduce the increased recoil produced by the shorter barrel. In addition to the top accessory rail for optics, the rifle has enclosed Garand-style iron sights, with tritium inserts for low or dim light conditions. The rifle will accept any M14 magazine, with typical capacities of 5, 10, or 20 ...