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  2. Close Quarters Battle Receiver - Wikipedia

    en.wikipedia.org/wiki/Close_Quarters_Battle_Receiver

    The Close Quarter Battle Receiver (CQBR) [5] is a replacement upper receiver for the M4A1 carbine developed by the US Navy.. The CQBR features a 10.3 in (262 mm) length barrel (similar to the Colt Commando short-barreled M16 variants of the past) which makes the weapon significantly more compact, thus making it easier to use in, and around, vehicles and in tight, confined spaces.

  3. List of AR platform cartridges - Wikipedia

    en.wikipedia.org/wiki/List_of_AR_platform_cartridges

    22 Grendel (wildcat) aka 224 Grendel. .22 Nosler. .22 PPC. .22 ARC. .222 Remington (sometimes chambered in countries where ownership of military cartridges is illegal) .223 Remington – Original AR-15 cartridge: .223 cartridges may function in a 5.56×45mm rifle, however 5.56×45mm cartridges may produce excessive pressure in a .223 Rem rifle.

  4. Complete dentures - Wikipedia

    en.wikipedia.org/wiki/Complete_dentures

    Maxillary (upper) complete denture posterior extension: vibrating line (i.e. the intersection between the soft and hard palate). The landmarks for the vibrating line are the fovea palatinae (collecting ducts of minor salivary glands) that can be seen as two concavities on the mucosa. Extending the maxillary denture to the vibrating line ensures ...

  5. Dentures - Wikipedia

    en.wikipedia.org/wiki/Dentures

    Dentures can help people via: Mastication: chewing ability is improved by the replacement of edentulous (lacking teeth) areas with denture teeth.; Aesthetics: the presence of teeth gives a natural appearance to the face, and wearing a denture to replace missing teeth provides support for the lips and cheeks and corrects the collapsed appearance that results from the loss of teeth.

  6. Receiver (firearms) - Wikipedia

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

    Receiver (firearms) A disassembled Mauser action showing a partially disassembled receiver and bolt. In firearms terminology and at law, the firearm frame or receiver is the part of a firearm which integrates other components by providing housing for internal action components such as the hammer, bolt or breechblock, firing pin and extractor ...

  7. Stimulant - Wikipedia

    en.wikipedia.org/wiki/Stimulant

    Stimulant. Ritalin: 20 mg sustained-release (SR) tablets. Stimulants (also known as central nervous system stimulants, or psychostimulants, or colloquially as uppers) are a class of drugs that increase the activity of the brain. They are used for various purposes, such as enhancing alertness, attention, motivation, cognition, mood, and physical ...

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Adcor A-556 - Wikipedia

    en.wikipedia.org/wiki/Adcor_A-556

    Rotating bolt, selective fire. Muzzle velocity. 2,800 ft/s (850 m/s) (5.56 mm from a 14.5 in barrel) Feed system. STANAG-compliant magazine. The ADCOR A-556 is an assault rifle based on the M16/M4 series. It is produced by the Adcor Defense Company and was one of the contenders in the US Army Individual Carbine Competition to replace the M4 ...