TacFire Lower Parts Kit — AR-15, Black, with PGAR-B Grip (LPK02USAB | UPC 811261026957)
Build with confidence or give a hard-run rifle a full refresh. The TacFire Lower Parts Kit for the AR-15 includes a complete set of small parts in a durable black finish—plus the PGAR-B black polymer grip—to finish a stripped lower or restore a well-used carbine. Designed around mil-spec geometry for dependable fit and function, the LPK02USAB package delivers the pins, springs, detents, and fire-control components you need in one organized kit.
Why Choose the TacFire AR-15 LPK with PGAR-B Grip
Mil-Spec Compatibility: Sized for common AR-15 lowers, ensuring straightforward installation and reliable operation.
Complete Small-Parts Set: Stop hunting individual pieces—the essentials for a standard lower are in the box.
Durable Black Finish: Corrosion-resistant parts stand up to weather, cleaning solvents, and high-round-count training.
PGAR-B Ergonomic Grip: Textured black polymer grip improves traction and control with or without gloves.
Great for Builds & Refreshes: Ideal for first-time builders, armorers supporting fleets, and enthusiasts maintaining multiple rifles.
Key Features & Specs
Model / Part: LPK02USAB
Grip: PGAR-B, black polymer, textured
Finish: Black (on metal components)
Platform: AR-15 (mil-spec pattern lowers)
UPC: 811261026957
Use: Completing a stripped lower receiver or replacing worn parts on existing rifles
What’s Typically Included*
(Always verify your retailer’s bill of materials; contents can vary by lot.)
Fire-Control Group: Trigger, hammer, disconnector, springs, and pins (mil-spec pattern)
Safety & Controls: Selector lever, selector detent & spring; magazine catch, button & spring; bolt catch, plunger, roll pin & spring
Pins & Springs: Pivot pin, takedown pin, detents & springs; buffer retainer & spring
Takedown & Retention: Trigger guard (or hardware), roll pin(s)
Recoil System Interface: Buffer retainer and spring (buffer tube assembly not included)
Grip Assembly: PGAR-B grip with screw & washer
Other Small Parts: As required for a standard mil-spec lower
*Trigger guard shape and certain small items may vary by batch—check the product listing for precise contents.
Performance Benefits You’ll Notice
Consistent Controls: Fresh detents and springs restore crisp selector clicks, positive magazine release, and reliable bolt catch function.
Clean Trigger Feel: Mil-spec fire-control geometry provides a familiar break and reset—ideal for duty-style builds and training carbines.
Reliable Lock-Up: New pins remove play and slop that can creep in on high-round-count rifles.
Confidence Under Stress: A complete, matching kit reduces mismatches and tolerance stack issues common with mixed-source parts.
Compatibility & Fit Notes
Receivers: Standard AR-15 mil-spec lower receivers (forged or high-quality billet).
Calibers: Works with most AR-15 caliber uppers that use a standard lower (5.56/.223, .300 BLK, 6mm ARC, 6.5 Grendel, many PCC lowers when spec’d for AR-15 internals—verify your specific design).
Exclusions: Not for AR-10/DPMS/LR-308 pattern lowers or specialty competition triggers without modification.
Trigger Upgrades: If using a drop-in trigger, you may not need the included FCG pieces—confirm your configuration.
Best Practices (Non-Instructional)
Unload & Clear: Ensure all firearms and components are free of ammunition before any work.
Use Proper Tools: A bench block, roll-pin punches, and a 3/32" punch simplify installation and reduce cosmetic damage.
Mind Spring Orientation: Correct detent/spring placement is crucial for selector, takedown, and pivot pin function.
Torque & Thread Care: Use the proper grip screw and avoid over-torqueing; a dab of non-permanent threadlocker can help in high-vibration setups.
Function Check: After assembly, verify selector operation, trigger reset, mag catch engagement, and bolt catch function before live fire.
Ideal Use Cases
New Builds: Bring a stripped lower to life with a matched parts set and grip.
Fleet Maintenance: Keep spares on hand for rapid repairs of training or duty rifles.
Refresh & Standardize: Replace mixed, worn, or out-of-spec parts for consistent performance across rifles.
Care & Maintenance
Keep internals lightly lubricated at contact points (sear surfaces per manufacturer guidance).
Inspect springs and pins at regular intervals, especially on high-volume rifles.
Replace high-wear components as needed to maintain reliable controls and ignition.
What’s Not Included
Receiver extension assembly (buffer tube, buffer, spring, end plate, castle nut), stock/brace, and upper-receiver components are typically not included.
Trigger upgrades or ambi controls are optional accessories sold separately.
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TacFire Lower Parts Kit — AR-15, Black, with PGAR-B Grip (LPK02USAB | 811261026957): a complete, mil-spec-pattern parts bundle that simplifies your lower build and restores dependable control feel—backed by TacFire’s reputation for value and reliability.
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