Gun Parts

Best Sellers
  1. Ar-15 Lower Parts Kit - Lower Parts Kit Ar-15
    Item#:
    100-011-594  
    Our Price:
    $74.99
    Description:
    Complete kit contains every internal part needed to complete or rebuild an AR lower receiver. High-quality components are designed to work in coordination with each other to ensure smooth operation, and they come packaged in color-coded bags that organize related parts for easy assembly. Includes molded-polymer A2 pistol grip,  Mil-Spec trigger that offers a conventional, single-stage 6 to 6½ lb. service rifle pull. Mfg: Cmmg SPECS: Kit includes A2-style pistol grip, trigger, trigger spring, hammer, disconnector, hammer/trigger retaining pins, hammer spring, bolt stop and screw, selector, selector detent, bolt catch, magazine catch, magazine release button, front pivot pin, rear takedown pin, buffer retainer, triggerg
  2. 308 Ar Lower Parts Kit - .308 Lower Parts Kit
    Item#:
    231-000-250  
    Our Price:
    $69.99
    Description:
    Full Set Of Internal Parts Needed To Complete A Stripped Lower Receiver
  3. Ar-15 Lower Parts Kit - Lower Receiver Parts Kit
    Item#:
    430-000-543  
    Our Price:
    $79.99
    Description:
    High-Quality, Correct-Spec Parts Finished & Ready To Install
  4. Ar-15 Lower Parts Kit - Ar-15 Lower Parts Kit Small Pin
    Item#:
    100-010-669  
    Our Price:
    $69.99
    Description:
    The Double Star AR-15 Lower Receiver Parts Kit includes everything needed to complete a stripped AR-15 lower receiver. The Kit includes: Fire control group Fire control group pins and springs Bolt catch assembly Magazine catch assembly Front pivot pin Rear takedown pin Takedown springs (2) Takedown detents (2) Trigger guard pin Pistol grip, screw and washer Buffer detent Buffer detent spring Mfg: Double Star SPECS: Fits small pin AR-15 lower receivers.
  5. 308 Ar Lower Parts Kit
    Item#:
    100-011-172  
    Our Price:
    $94.99
    Description:
    Complete kit contains every internal part needed to complete or rebuild an AR lower receiver. High-quality components are designed to work in coordination with each other to ensure smooth operation, and they come packaged in color-coded bags that organize related parts for easy assembly. Includes molded-polymer A2 pistol grip and a Mil-Spec trigger that offers a conventional, single-stage 6 to 6½ lb. service rifle pull. Mfg: Cmmg SPECS: Kit includes A2-style pistol grip, trigger, trigger spring, hammer, disconnector, hammer/trigger retaining pins, hammer spring, bolt stop and screw, selector, selector detent, bolt catch, magazine catch, magazine release button, front pivot pin, rear takedown pin, buffer retainer, triggerg
  6. Ar-15 Lower Parts Kit - Ar-15 Lower Parts Kits
    Item#:
    231-115-003  
    Our Price:
    $49.99
    List Price: $57.99
    Description:
    Sub-Assembly, Mil-Spec Parts Packaged In Money-Saving Kits
  7. Ar-15/M16 Armorer's Small Parts Kit - Ar-15 Armorer's Small Parts Kit
    Item#:
    084-000-374  
    Our Price:
    $599.99
    Description:
    Designed for the armorer or gunsmith who services a lot of ARs! This extensive kit includes the key small components for both the upper and lower receiver to keep your customers’, department’s, or agency’s AR-15s ready for action. Also great for doing multiple builds as well as for replacing parts that have been damaged in use or been lost during installation. Handy insurance to make sure you always have a replacement part when you need one. Mfg: Brownells SPECS: Kit includes: 5 each - hammer, hammer spring, trigger, trigger spring, triggerguard, triggerguard roll pin, disconnector, disconnector spring, safety selector, magazine latch, magazine release button, magazine release spring, bolt catch, bolt catch plunger, bolt catch spring, bolt catch ro
  8. Ar-15 Alg Trigger With Lower Parts Kit - Act Trigger W/ Lower Parts Kit
    Item#:
    100-010-635  
    Our Price:
    $94.99
    Description:
    Gives A Smoother Pull While Preserving Reliability
  9. Ar-15 Alg Trigger With Lower Parts Kit - Qms Trigger W/ Lower Parts Kit
    Item#:
    100-010-634  
    Our Price:
    $74.99
    Description:
    Gives A Smoother Pull While Preserving Reliability
  10. Ar-15 Survival Kit - Ar-15 Survival Parts Kit
    Item#:
    100-014-673  
    Our Price:
    $64.99
    Description:
    The CMMG AR15 Survival Kit contains all the parts that should be kept on-hand, in case of a much needed repair.  A great kit to keep in your range bag, or keep with your gear.  Kit contains the following parts: Ejector, ejector/selector spring (2), extractor, extractor spring and buffer, extractor pin, ejector roll pin, receiver takedown pin, disconnector, gas ring (3), cam pin, carrier key screw (2), firing pin, firing pin retaining pin, receiver pivot pin, takedown/pivot pin detent (2), disconnector spring, hammer spring, trigger spring, hammer/trigger pin (2), selector detent and takedown/pivot pin detent spring (2). Mfg: Cmmg SPECS: Fits AR15 rifles.
  11. Take Down Nut
    Item#:
    550-000-199  
    Our Price:
    $19.99
    Description:
    TAKE DOWN NUT Mfg: Marlin
  12. Take Down Pin
    Item#:
    160-308-140  
    Our Price:
    $11.99
    Description:
    TAKE DOWN PIN Mfg: Colt

Ammunition
  1. X-Tac Match Ammo - X-Tac Match .50 Bmg 740gr Solid Brass 10/Box
    Item#:
    105-000-394  
    Our Price:
    $70.99
    Description:
    Uncompromising performance and quality for the competition shooter. We combined the incredible performance of our X-TAC™ ammunition with the world-class ballistics of SIERRA BULLETS® in our .223 Remington and .308 Winchester cartridges. Our match grade bullet in caliber 50 is designed and manufactured by PMC in our very own facilities to ensure the quality and consistent performance you demand. These incredible bullets demand that we create a total package that does not just live up to expectations, but rather, surpasses them. The tremendous team of engineers and shooters at PMC has worked tirelessly to bring you a competition load that raises the bar and allows you to shoot at Mfg: Pmc Ammunition, Inc.
  2. Starfire Ammo - Starfire 9mm Luger 124gr Hp 20/Box
    Item#:
    105-000-389  
    Our Price:
    $16.49
    Description:
    For more than a decade, Starfire™ high-performance cartridges have been chosen as the primary means of personal defense by thousands of consumers. Pistol Hunting with Starfire is the brainchild of Tom Burczynski, the “dean” of high performance handgun bullet designers and a frontrunner in the new era of advanced bullet design. The key to its success is the broad, extremely reliable expansion inherent in each Starfire caliber. Created by a patented rib and flute design inside the deep, hollow-point cavity, the bullet hyper-expands to nearly twice its original diameter upon impact, delivering tremendous stopping power on target. Starfire’s average penetration of Mfg: Pmc Ammunition, Inc.
  3. Starfire Ammo - Starfire .45 Acp 230gr Hp 20/Box
    Item#:
    105-000-388  
    Our Price:
    $18.99
    Description:
    For more than a decade, Starfire™ high-performance cartridges have been chosen as the primary means of personal defense by thousands of consumers. Pistol Hunting with Starfire is the brainchild of Tom Burczynski, the “dean” of high performance handgun bullet designers and a frontrunner in the new era of advanced bullet design. The key to its success is the broad, extremely reliable expansion inherent in each Starfire caliber. Created by a patented rib and flute design inside the deep, hollow-point cavity, the bullet hyper-expands to nearly twice its original diameter upon impact, delivering tremendous stopping power on target. Starfire’s average penetration of Mfg: Pmc Ammunition, Inc.
  4. Starfire Ammo - Starfire .44 Mag 240gr Hp 20/Box
    Item#:
    105-000-387  
    Our Price:
    $26.49
    Description:
    For more than a decade, Starfire™ high-performance cartridges have been chosen as the primary means of personal defense by thousands of consumers. Pistol Hunting with Starfire is the brainchild of Tom Burczynski, the “dean” of high performance handgun bullet designers and a frontrunner in the new era of advanced bullet design. The key to its success is the broad, extremely reliable expansion inherent in each Starfire caliber. Created by a patented rib and flute design inside the deep, hollow-point cavity, the bullet hyper-expands to nearly twice its original diameter upon impact, delivering tremendous stopping power on target. Starfire’s average penetration of Mfg: Pmc Ammunition, Inc.
  5. Starfire Ammo - Starfire .40 S&W 180gr Hp 20/Box
    Item#:
    105-000-386  
    Our Price:
    $18.49
    Description:
    For more than a decade, Starfire™ high-performance cartridges have been chosen as the primary means of personal defense by thousands of consumers. Pistol Hunting with Starfire is the brainchild of Tom Burczynski, the “dean” of high performance handgun bullet designers and a frontrunner in the new era of advanced bullet design. The key to its success is the broad, extremely reliable expansion inherent in each Starfire caliber. Created by a patented rib and flute design inside the deep, hollow-point cavity, the bullet hyper-expands to nearly twice its original diameter upon impact, delivering tremendous stopping power on target. Starfire’s average penetration of Mfg: Pmc Ammunition, Inc.
  6. Starfire Ammo - Starfire .38 Special +p 125gr Hp 20/Box
    Item#:
    105-000-384  
    Our Price:
    $14.99
    Description:
    For more than a decade, Starfire™ high-performance cartridges have been chosen as the primary means of personal defense by thousands of consumers. Pistol Hunting with Starfire is the brainchild of Tom Burczynski, the “dean” of high performance handgun bullet designers and a frontrunner in the new era of advanced bullet design. The key to its success is the broad, extremely reliable expansion inherent in each Starfire caliber. Created by a patented rib and flute design inside the deep, hollow-point cavity, the bullet hyper-expands to nearly twice its original diameter upon impact, delivering tremendous stopping power on target. Starfire’s average penetration of Mfg: Pmc Ammunition, Inc.

View All Ammunition »

Looking to buy Gun Parts? You've found Sinclair Intl, home of the best selection and prices every day. Our selection of over six thousand Gun Parts represents the best of the best, on sale at prices from $0.79 to $2,799.98. As the number one online retailer of firearm reloading equipment and supplies, we'll provide excellent customer service, great prices, and top-quality merchandise every day. We stand behind every item we sell, because we work with reloading supplies, too. We're happy to offer a 100% satisfaction guarantee - if you're not completely satisfied with your purchase, we'll make it right. So check out our complete selection of Gun Parts and place your order online or by calling us toll free at (800) 717-8211. We're here to provide you with all the firearm reloading equipment and supplies and information you need, so - if you don't find what you're looking for online - give us a call!